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Two rubber balls with two different masses are dropped from height of 9 meters from rest (neglect air resistance and assume the rubber balls are small in size so they both start at 9 meters above the ground). The more massive ball of 2.4 kg is below the less massive ball of 0.3 kg. The 2.4 kg hits the ground first and collides with the Earth (which is at rest) in a perfectly collision. Then, just above the ground (say at the ground), the 2.4 kg ball (after colliding with the Earth and changing its velocity) collides with smaller mass in another perfectly elastic collision. After the smaller mass collides with other rubber ball, to what maximum height above the ground does it reach in meters?
A volleyball is spiked so that incoming velocity is 3.7m/s is changed to an outgoing velocity of -16 m/s.The mass of the vball is 0.34kg. what impulse does the player apply to the ball?
An airplane is flying by a velocity of at an angle of above the horizontal. When the plane is a distance directly above a dog that is standing on level ground, a suitcase drops out of the luggage compartment. How far from the dog will the suitcase la..
A solid aluminum sphere has a radius of .50m and a temp of 75C. The sphere is completely immersed in a pool of water whose temis 25C. The sphere cools, while the water temp remains nearly 25C,bc it is a large pool.
1. On air track, a 2kg cart moving at 1m/s to the right collides with a 1kg cart moving at 3 m/s to the left. After the collision, the 2kg cart is moving at 2m/s to the left. What is the velocity and direction of the 1 kg cart after the collis..
When a 111 dB sound wave comes through an open window of area 0.510 m2, how much acoustic energy passes through the window in a 10.3 min interval
A cylinder of volume 0.330 m3 contains 12.0 mol of neon gas at 23.2°C. Assume neon behaves as an ideal gas. Find the internal energy of the gas when its volume is 1.000 m3
a if a toaster is plugged into a source of alternating voltage with an rms value of 163 v an rms current of 8.29 a
Assuming that the Earth is spherical and recalling that latitudes range from 0 degrees at the Equator and 90 degrees N at the North Pole, at what angle below the horizantol would the tunnel be directed
A 65-g ice cube at 0°C is placed in 665 g of water at 30°C. What is the final temperature of the mixture? °C, What is the final temperature of the water after the ice has melted
In order to improve his time, the sprinter tries to decrease the distance required for him to reach his top speed. What must this distance be if he is to achieve a time of 10.0 s for the race?
An 3.60 millimeter tall object is 22 centimeter from the center of a silvered spherical glass Christmas tree ornament 6.45 centimeter in diameter. Compute what is the position of its image
100 g of ice at 0 degrees c and 100 g of steam at 100 degrees c interact thermally in a well-insulated container. what
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