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A 0.5 kg lump of clay is moving at 2 m/s in the +x direction of some arbitrarily chosen coordinate system. It has a head on collision with an identical 0.5 kg lump of clay that is moving at 2 m/s in the opposite -x direction. The two individual lumps of clay stick together to become a single 1.0 kg lump of clay. What is the velocity of the pair after the collision?
Which statement is true concerning the magnitude of the net force on the plane.
Two charges, -15 and +3.7 µC, are fixed in place and separated by 2.8 m. (a) At what spot along a line through the charges is the net electric field zero? Locate this spot relative to the positive charge. (Hint: The spot does not necessarily lie b..
A farsighted man uses eyeglasses with a refractive power of 1.90 diopters. Wearing the glasses 0.03 m from his eyes, What is the correct contact lens prescription, in diopters
A 645N woman climbs a staircase that rises at 50 degrees above the horizontal and is 4.95m long. Her speed is a constant 40.0cm/s. How much work has gravity done on her as she climbed the stairs
A fully loaded station wagon has a mass of 1690 kg. If each of its four tires is inflated to a gauge pressure of 211 kPa, what is the total tire area in contact with road.
The electric field 5.90 from a very long charged wire is ( 2300 ,toward the wire).What is the charge (in nC) on a 1 cm-long segment of the wire.
An object with mass 4.0kg is executing simple harmonic motion, attached to a spring with spring constant 300N/m, Calculate the amplitude of the motion
The two most prominent wavelengths in the light emitted by a hydrogen discharge lamp are 656 nm (red) and 486 nm (blue). Light from a hydrogen lamp illuminates a diffraction grating with 460 lines/mm , and the light is observed on a screen 1.7 m b..
An astronaut travels at a speed of 0.93c from the Earth to a distant star that is 4.5e+17 m away. how old is she when she arrives at the star
Your television picture is created by 480 horizontal lines of pixels, arranged on a screen of total height h. Calculate this ratio D/h of minimum viewing distance to screen height
then collides with a spring whose spring constant is 250 N/m. angle is 30 degrees. Illustrate what is the maximum compression of the spring?
To verify her suspicion that a rock specimen is hollow, a geologist weighs the specimen in air and in water. What fraction of the specimen's apparent volume is solid
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