A object was fired at 17ms at 40 degree angle horizontal , if object traveled 29meters how long was it in the air
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essay on topic of community forest
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Answer: https://www.fs.usda.gov/managing-land/urban-forests/ucf
Explanation:
if you go to this link it will give you some facts
Which force is making a difference in the weight of each person?
A
applied
B
gravitational
C
normal
D
tension
Answers
The force is different because of the amount of weight applied so the answer is A
The force that makes a difference in the weight of each person is Gravitational. Correct option is B.
Gravitational force is a fundamental force of nature that exists between any two objects with mass. It's the force that keeps us and everything else on Earth anchored to its surface. This force is proportional to the mass of the objects involved and inversely proportional to the square of the distance between them.
For example, if you were standing on a bathroom scale, the reading on the scale represents the force of the Earth's gravity acting on your body, which is why it's often referred to as your "weight." The actual mass of an object remains constant regardless of its location, but its weight can vary depending on the strength of the gravitational field at different locations (e.g., the weight on the Moon would be less than on Earth due to the Moon's weaker gravitational pull).
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How much energy will it take to heat a 8kg object with a specific heat capacity of 820J/kg℃ from 15℃ to 50℃
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Explanation:
h=mcƦ
where Ʀ means change in temperature
h=8×820×(50-15)
=8×820×35
=229600j
=229.6kj
A rainbow is seen in a rainy day. Describe its reason
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Answer:
A rainbow requires water droplets to be floating in the air. That's why we see them right after it rains. The Sun must be behind you and the clouds cleared away from the Sun for the rainbow to appears.
A basketball is tossed upwards with a speed of 5.0 m/s. We can ignore air resistance. What is the maximum height reached by the basketball from its release point? (Answer using a coordinate system where upward is positive.)
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Answer:
the maximum height is 1.276 meters
1. Two balloons are charged with an identical quantity and type of charge: -6.25C. They are held apart at a separation distance of 0.67m. Determine the magnitude of the electrical force of repulsion between them. I
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Answer:
The electric force between them is 878.9 N
Given:
Identical charge C
Separation between two charges m
For finding the electrical force,
According to the coulomb's law
Here, force between two balloons are repulsive because both charges are same.
Where N Therefore, the electric force between them is 878.
Explanation:
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assuming air resistance is negligible, how fast would ball be travelling as it hits the floor after free-falling from rest for 5 second
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an engineer is developing a conveyor belt to help move heavy boxes in factories. The device should be able to move boxes from the first floor to the second floor of a factory. The engineer is building a full- sized model to test her design.
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Answer:
This conveyor belt should be connected to fixed pulleys in case their total effort is less than the load. But if it's not that, the belt should be connected to movable pulleys.
Explanation:
[tex].[/tex]
Answer:
this conveyer belt should be connected to fixed pulleys in case their total effort is less than the load . but if it's not that the belt should be connected to movable pulleys
an open steel can of volume 216 L is filled to the top with gasoline at 13.5 C. when it warms to 36.0 C, how much gas spills over? (don't forget, both the can and the gasoline are expanding.)
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[tex]\\ \sf\longmapsto Q=mc\Delta T[/tex]
[tex]\\ \sf\longmapsto c=\dfrac{Q}{m\Delta T}[/tex]
[tex]\\ \sf\longmapsto c=\dfrac{1320}{5.61(274)}[/tex]
[tex]\\ \sf\longmapsto c=\dfrac{1320}{1537.14}[/tex]
[tex]\\ \sf\longmapsto c=0.85J/kgK[/tex]
4.44J (creds to commenter on the post, just making it bigger)
what are the properties of gravitational force
Answers
Explanation:
It obeys the inverse square law.
It is always attractive in nature.
It is a long range force. ...
The graviton is the field particle of gravitational force.
Answer:
Gravitational force−Properties:
(1) It is a universal attractive force. It is directly proportional to the product of the masses of the two bodies.
(2) It obey inverse square law.
(3) It is the weakest force known in nature.
the amount of energy available to do work is called:
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Answer:
Gibbs, free energy
Explanation:
How does a balanced chemical equation demonstrate the Law of Conservation of Mass?
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Answer:
It shows the same number of atoms of each element on both sides of the equation
A balanced equation demonstrates the conservation of mass by having the same number of each type of atom on both sides of the arrow.
Explanation:
Matter cannot be created or destroyed in chemical reactions. This is the law of conservation of mass. In every chemical reaction, the same mass of matter must end up in the products as started in the reactants. Balanced chemical equations show that mass is conserved in chemical reactions.
A balanced chemical equation shows that total number of atoms before reaction is equal to total number of atoms after the reaction. As, the total mass of any object lies on its atom, a balanced chemical equation demonstrate the Law of Conservation of Mass.
What is Dalton's atomic theory?The Dalton's atomic theory is as follows:
Atoms are the incredibly minuscule building blocks of all stuff.A given element's atoms are all the same size, mass, and other characteristics. Distinct elements' atoms have different mass, size, and other characteristics.Atoms can never be divided, produced, or eliminated.Chemical compounds can be created by combining atoms of various elements in straightforward whole number ratios.Atoms can be joined together, split apart, or altered during chemical processes.The total number of atoms before and after a reaction are equal, according to a chemical equation that is in balance. A balanced chemical equation illustrates the Law of Conservation of Mass since every object's atom holds the entirety of its mass.
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To improve your flexibility you can do which of the following
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Answer:
Stretching
Explanation:
Stretching is a great way to improve your flexibility!
A diver runs toward the edge of the cliff in Tobermory. This cliff is 44 m high (top of cliff to water level). They dive out, horizontally, at a velocity of 1.8 m/s [forward]. The sign below was posted for a reason. There is a section of rock right under the rough water extending from the cliff out for 4 m, as shown below. Does the diver hit the hidden rocks?
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This question involves the concepts of the equations of motion for both the vertical motion and the horizontal motion.
The diver "does not" hit the rock.
First, we will calculate the time taken by the diver to land. For this purpose, we will use the second equation of motion for the vertical motion of the diver:
[tex]h = v_{iy}t+\frac{1}{2}gt^2[/tex]
where,
h = height of cliff = 44 m
[tex]v_{iy}[/tex] = vertical component of the initial velocity of the diver = 0 m/s
t = time taken to land = ?
g = acceleration due to gravity = 9.81 m/s²
Therefore,
[tex]44\ m=(0\ m/s)t+\frac{1}{2}(9.81\ m/s^2)(t)^2\\\\t = \sqrt{\frac{(44\ m)(2)}{9.81\ m/s^2}}[/tex]
t = 3 s
Now, we will calculate the horizontal distance where the diver landed. For this purpose, we will use the equation of motion for the horizontal motion of the diver. Assuming the air resistance to be zero the horizontal motion will be uniform. Hence:
[tex]s = vt\\s = (1.8\ m/s)(3\ s)\\[/tex]
s = 5.4 m
Since the section of the rock was 4 m away from the cliff. Hence, the diver crossed that rock section and safely laded at a distance of 5.4 m, which is 1.4 m ahead of the rock section.
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The attached picture shows the equations of motion for the horizontal motion and vertical motion.
Help if you understood pleas and rhanks
Answers
Answer:
the velocity is 4 ms, if it asked for change it be 0 m/s but its asking for velocity so option 4, 4m/s
Explanation:
The correct answer is Option 2: 2 m/s². The acceleration of the object at 8 seconds is 2 m/s². Note that the negative sign indicates that the acceleration is in the opposite direction of the velocity.
To calculate the acceleration of the object at 8 seconds, we need to look at the change in velocity over time (acceleration is the rate of change of velocity).
Given the graph, we can see that at 8 seconds, the velocity of the object is 6 m/s.
Now, let's find the change in velocity between 8 seconds and 10 seconds:
Change in velocity = Final velocity - Initial velocity
Change in velocity = 2 m/s - 6 m/s
Change in velocity = -4 m/s
Next, find the time interval between 8 seconds and 10 seconds:
Time interval = Final time - Initial time
Time interval = 10 s - 8 s
Time interval = 2 seconds
Now, calculate the acceleration:
Acceleration = Change in velocity / Time interval
Acceleration = (-4 m/s) / (2 s)
Acceleration = -2 m/s²
The correct answer is Option 2: 2 m/s². The acceleration of the object at 8 seconds is 2 m/s². Note that the negative sign indicates that the acceleration is in the opposite direction of the velocity.
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Determine your mass in kg noting that 1 kg is about 2.2 lbs. Then use Fg = mg to find your weight in Newtons.
Answers
Answer: see example due to variation of factor
Explanation: w = m x g
Weight= Mass (in kg) x Gravity (9.8m/s)
To get to kg from lbs take your weight divide by 2.2lbs well get you to kg
Example
Let's say a boy weighs 145lbs
145kg/2.2lbs=66kg
Now we use the equation
w=m x g
65kg*9.81m/s=637.65N
You can tell if something’s a living thing or not by checking if it has?
Answers
Explanation:
To determine whether something is living or nonliving, a living thing must meet seven specific characteristics: feeding, movement, respiration, excretion, growth, sensitivity, and reproduction. A living organism needs to be able to feed to make energy and grow.
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A cart of weight 20 N is accelerated across a level surface at 0.15 m/s?. What net force acts on
the wagon?
Answers
The net force that acts on the cart of wagon is calculated as 3N
HOW TO CALCULATE NET FORCE:
The net force of a body can be calculated by multiplying the mass of the body by its acceleration. That is;Force (N) = weight (N) × acceleration (m/s²)According to this question, a weight of 20N accelerated across a level surface at 0.15 m/s². The net force can be calculated as follows:F = 20 × 0.15
F = 3N
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NEED HELP!!!! 10 POINTS!!
Paralysis is often the result of severe spinal injuries. Why is this often the case?
A.
All movement begins in the spine and radiates through the body.
B.
The spine in the only part of the body that is directly connected to the brain.
C.
The spine houses much of the central nervous system, which controls movement.
D.
The bones in the spine cannot regenerate and grow, unlike other bones in the body.
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Answers
Due to paralysis, the result is severe spinal injuries. This is often the case because the spine houses much of the central nervous system, which controls movement. Hence, option C is correct.
What is Paralysis?You might become paralyzed, and unable to move on your own when something interferes with the nerve impulses that muscles receive from the brain. Strokes, spinal cord injuries, and neurological diseases like multiple sclerosis are among the common causes of paralysis.
When you are unable to move your muscles voluntarily, you are said to be paralyzed. Paralysis results from nerve system issues.
Muscles receive messages from healthy nerves. This causes the muscles to contract. When you’re paralyzed, or have paralysis, you can’t move certain parts of your body.
Hence, it concludes that option C is correct.
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How can people check whether information they found on the Internet is reliable?
Information online is true because it was verified before being put online.
People can determine if what they read agrees with other information they know is true.
There is no real way to check.
People can check the publication date.
DONE
Answers
Answer:
people can determine if what they read agrees with other information they know is true.
Explanation:
edge 2021
Answer:
B. Is correct
Explanation:
How do interest groups and PACs keep us from
our democratic principles? How do they defeat democracy? Look at picture for the question please
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Answer:
Interest groups help democracy because they represent the interests of such large numbers of people and encourage political participation by many groups. The stable, cooperative relationship often develops among a congressional committee, an administrative agency, and one or more supportive interest groups.
Interest groups try to influence the government to adopt legislation that would benefit them. Email, letter, faxes, phone calls, providing research and information (to bring about change by proving your cause with facts by funded research).
Identify some sports or activities you can do to improve your overall health and explain how physical activity can improve your
Answers
Answer:
foot ball.
Explanation:
exercise is the specific method which helps one's own health both physical and mental health. Mental hygienic is purely rely on the physical health well-being. playing the football needs to run from one station or position to another positiin. in the due process, the flow of blood of the individual circulate faster than other rest days as a result of this, fats in the arteries are burnt down.Blood pressure remains constant as always. Diabetes will be free for the people who plays football because carbohydrates are also burnt down into simpler form of the substance thereby releasing the required amount of energy.
how would a rock respond to stresses applied at depth?
Answers
The rock will compress as the stress applied increases with depth and it will break when it cannot withstand the stress.
The pressure or stress on the rock is defined as force per unit area of the rock which equally increases with depth. This can be expressed as follows;
[tex]P= \frac{F}{A}\\\\P = \rho gh[/tex]
where;
P is the pressure applied to the blockA is the area of the rock h is the depth in which the rock is subjected to g is acceleration due to gravityThus, we can conclude that the stress on the rock will increase with increase in depth. The rock will compress as the stress applied increases with depth and it will break when it cannot withstand the stress.
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how many moons are in our galaxy if u count all the other planets moons?
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what is the weight of a 1.8 kg computer
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Answer:
17.64 Newtons
Explanation:
In order to find the weight of an object we take the mass in kilograms and multiply it by the gravitational constant (9.8), which is 1.8 * 9.8 = 17.74 Newtons.
Weight is force on the body of given mass 1.8 Kg. Weight is 17.64 N.
What is force?A force is an effect that can alter an object's motion according to physics. An object with mass can change its velocity, or accelerate, as a result of a force. An obvious way to describe force is as a push or a pull. A force is a vector quantity since it has both magnitude and direction.
Weight of body is force due to gravity,
F = mg
F = 1.8*9.8
F = 17.64 N
Weight of the body is given as 17.64 N.
Weight is force on the body of given mass 1.8 Kg. Weight is 17.64 N.
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An object is moving initially with a velocity of 5.6 m/s. After 3.1 s the object's velocity is -2.7 m/s. What is the object's average acceleration during this time
Answers
Answer:
-2.68m/s²
Explanation:
To find acceleration use the formula:
acceleration = change in velocity ÷ time
change in velocity = -2.7 - 5.6 = -8.3m/s (final velocity - initial velocity)time = 3.1sSubstitute in the values:
acceleration = -8.3 ÷ 3.1
acceleration = -2.67741.. ≈ -2.68m/s²
Hope this helps!
Answer the question below and show all work.
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Answer:
Explanation:7
How long would it take for a person to sprint from the 0m line to the 100m line if they are traveling forward at 6m/s?
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Answer:
This section assumes you have enough background in calculus to be familiar with integration. In Instantaneous Velocity and Speed and Average and Instantaneous Acceleration we introduced the kinematic functions of velocity and acceleration using the derivative. By taking the derivative of the position function we found the velocity function, and likewise by taking the derivative of the velocity function we found the acceleration function. Using integral calculus, we can work backward and calculate the velocity function from the acceleration function, and the position function from the velocity function.Explanation:
Derive the kinematic equations for constant acceleration using integral calculus.Use the integral formulation of the kinematic equations in analyzing motion.Find the functional form of velocity versus time given the acceleration function.Find the functional form of position versus time given the velocity function.Why are occupants of the international space station weightless?
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NEED HELP!!!! 15 POINTS!!!!!!!
Why is it important to have both long-term and short-term goals?
A.
Short-term goals can get repetitive, so long-term goals help maintain motivation.
B.
Short-term goals are more achievable while long-term goals are more unrealistic.
C.
Long-term goals take planning and are easier to accomplish than short-term goals.
D.
Long-term goals are often inspirational, so they are easier to meet than short term goals.
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