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A ball is thrown straight up from the ground with speed v 0 . At the same instant, a second ball is dropped from rest from a height H , directly above the point where the first ball was thrown upward. There is no air resistance.
Part A Find the time at which the two balls collide. Part B Find the value of H in terms of v 0 and g so that at the instant when the balls collide, the first ball is at the highest point of its motion.
Light is reflected from a transparent coffee table. When the angle of incidence is 63.3°, What is the index of refraction of the material of the table
A classroom slide projector projects an enlarged (55 times taller) image of a 24 mm high photographic film onto a screen located 10 meters from the projector. What focal length lens (cm) does slide projector require to produce a sharply focus imag..
The induced electric field 15 from the axis of a solenoid with a 10 radius is 46. Find the rate of change of the solenoid's magnetic field
Your friend's car is broken and you volunteer to push it to the nearest repair shop which is 2.0 km away. what is the normal force between the two bumpers
High-speed photos of a 200?g flea jumping vertically show that the jump lasts 1.5ms and involves an average vertical acceleration of 110 g, What's the change in the flea's momentum during its jump
Transverse waves travel at 150 m/s on a wire of length 80 cm that is under a tension of 550 N. What is the mass of the wire
A 40 kg crate is pulled across the ice with a rope. A force of 100 N is applied at an angle of 30 degrees with the horizontal. Neglecting friction.
Light has a wavelength of 600nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the WAVELENGTH of the light in the glass
A hoop and a disk, both of 0.86- m radius and 5.0- kg mass, are released from the top of an inclined plane 3.5 m high and 9.0 m long. What is the speed of the hoop
Light of wavelength 595.00 nm is incident normally on a diffraction grating, How many slits/mm are marked on the grating
A ball is thrown toward a cliff of height h with a speed of 30m/s and an angle of 60? above horizontal, What was the maximum height of the ball
A car traveling at 21 runs out of gas while traveling up a 21 slope.How far up the hill will it coast before starting to roll back down.
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