Physics

Please! I need the answer for question 2. Thank you.
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A beam of horizontally polarized light passes through a polarizer whose transmission axis is at an angle of 35. 0 degrees with the vertical. If the intensity of the transmitted light is 0. 55 w/m^2, what was the initial intensity of the beam?
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at what speed does a 982 kg compact car have the same kinetic energy as a 32266 kg truck going 33 km/h?
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3. Ryder hits a tennis ball 2. 0 m from the ground. The initial velocity is directed horizontally and is 17. 2 m/s. The ball hits the ground 11. 0 m away from the player after passing over a 1. 0 m high net that is 6. 0 m horizontally from the player. 2K,1C4T,1CHow long does it take for the ball to reach the ground?What was the magnitude of the final velocity of the ball?
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a marble is rolling across the floor at a speed of 7.0 m/s when it starts up a plane inclined at to the horizontal. (a) how far along the plane does the marble travel before coming to a rest? (b) how much time elapses while the marble moves up the plane?cx
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you are trying to solve a physics problem and the first thing you try doesnt workyou try another and then another and eventually you figure it out what is this method called
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a 27.8 g marble sliding to the right at 21.0 cm/s overtakes and collides with a 13.9 g marble moving in the same direction at 11.5 cm/s. after the collision, the 13.9 g marble moves to the right at 23.9 cm/s. find the velocity of the 27.8 g marble after the collision.
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the resistivity of a wire is zero when no current is passing though it. group of answer choices false true
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. in a tug-of-war, 13 children, with an average mass of 30 kg each, pull westward on a rope with an average force of 150 n per child. five parents, with an average mass of 60 kg each, pull eastward on the other end of the rope with an average force of 475 n per adult. assuming that the whole mass accelerates together as a single entity, what is the acceleration of the system?
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A box slides on a level floor. It is slowing with a constant acceleration of magnitude 2.0 m/s2. What is the coefficient of kinetic friction between the box and the floor?
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Contamination of food in a storage area can be reduced by: making sure that the temperature is kept at 98F removing all wrapping from food before storage putting cardboard on the floor of the store room to keep food off the floor keeping raw and ready to eat food separated
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a 6.0-v battery that can store 500.0 j of energy is connected to a resistor. how much charge must flow between the battery's terminals to completely drain the battery if it is fully charged? assume that the voltage of the battery remains the same until it is totally drained.
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what is the pressure of a fluid that comes out of a pipe that was closed on both ends, but then is opened up one end
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what is the speed acquired by a freely falling object 5 s after being dropped from a rest position? what is the speed 6 s after?
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4. if the electric field of an electromagnetic wave is oscillating along the z-axis and the magnetic field is oscillating along the x-axis, in what possible direction is the wave traveling?
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thermionic diodes are the most widely used diodes because of their small size and weight. true false
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What are some examples of conservation of energy?
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A particle executes simple harmonic motionwith an amplitude of 1.67 cm.At what positive displacement from themidpoint of its motion does its speed equalone half of its maximum speed?Answer in units of cm.
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a certain colored light has a frequency of about 7.5 x 1014 hz. what is the wavelength? please show all the steps and all of your work when you upload your final answer.
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discuss the shape of the voltage and current waveforms. which appears more sinusoidal and why would you expect it to be that way?
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what is the magnitude, in volts, of the maximum potential difference between two parallel conducting plates separated by 0.61 cm of air?
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what is the resistance of a resistor which produces heat energy at a rate 166.0 w when a current 6.44 a is run through it?
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xXNumber of Paper Clips Picked upElectromagnet Strength254x D201510s5This chart measures how many paper clips were picked up by an electromagnet based on its number of coils.Based on the graph, which statement is true?AThe more coils of wire on an electromagnet, the more paperclips that it is likely to pick up.1015Number of Coils of WireB At least one electromagnet in this study did not pick up any paperclips at all.20CThe less coils of wire wrapped around an electromagnet, the more magnetic it becomes.The most paperclips picked up by an electromagnet in this study is 20.
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what is the difference between a planetary fly by and a planetary orbit insertion. list more than 7 thing for each. use this link to find the answer https://solarsystem.nasa.gov/basics/chapter16-1. if you make the answer on table it will great thank please it is due today.
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