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A heavy ball and a light ball are dropped in the absence of air resistance.
1. The lighter ball will experience a greater acceleration.
2. The two balls will experience the same acceleration.
3. The heavier ball will experience a greater acceleration.
A destroyer sends a sonar pulse out to detect a submarine directly below the ship in the ocean. find how deep is the submarine
A ball thrown straight up at an initial speed of 14.0m/s reaches a maximum height of 7.6m. What fraction of the ball's initial kinetic energy is dissipated by air resistance as the ball moves upward?
Suppose 0.0450kg of steam (at 100.°C) is added to 0.450kg of water (initially at 20.5°C), Find the final temperature of the water after equilibrium is reached
a billiard ball of mas 0.3kg moves with a speed of 5ms and collides elastically with a ball of mass 0.2kg moving in the
The verical displacement of a string is given by y(x,t)=(6.00 mm) cos[(3.25m^-1)x-(7.22s^-1)t]. What is the speed of the wave
A solid disk of radius 7.50 cm and mass 1.25 kg, which is rolling at a speed of 1.50m/s , How long will it take for the disk to come to a stop
The electric field on the axis of a uniformly charged ring has magnitude 360 kN/C at a point 5.6cm from the ring center. Find the ring's charge
A 3.9kg ball with a velocity of 3.2m/s in the +x-direction collides head-on elastically with a stationary 1.5kg ball. What is the speed of the first ball after the collision
A ball rolls down a hill 100 m. The hill is inclined 60 degrees. what is the final rotational speed of the ball
Kenny throws a basketball which has an initial speed v0. When the ball gets to its minimum speed sometime before striking the ground, What was the initial angle of the ball
An average temperature of the rest of the universe
A window in a house is rectangular, with height 40 cm and width 30 cm. The pressure inside the house is normal atmospheric pressure, What is the force on the window
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