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Q1. A 1.00-kg Teflon disk is slid down a 5.00-m steel plate that is mounted at a 30 degree angle with respect to horizon, preliminary from rest, the disk is released from the top of the steel plate. How long does it take for the disk to reach the bottom, and what is its final velocity? (Do not abandon friction)
Q2. A 0.230- coffee cup at 19 is filled with 0.240 of brewed coffee at 97. The cup and the coffee come to thermal equilibrium at 79.If no heat is lost to the environment, what is specific heat of the cup material?
Q3. The mass of the earth is 5.98x10^24 and the mass of the moon is 7.36x10^22 kg. The distance of separation, measured between their centers, is 3.84x10^8. Place the center of mass of the earth-moon system as measured from the center of the earth.
Calculate the smallest coefficient of static friction necessary for mass A to remain stationary.
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An aging coyote cannot run fast enough to catch a roadrunner. He purchases on eBay a set of jet-powered roller skates, which provide a constant horizontal acceleration of 15.0 m/s2. The coyote starts at rest 70.0 m from the edge of a cliff at the ins..
What is the magnitude of an average acceleration of the ball
Compute the amplitude and phase at the observation screen
A car dealer claims that his product will accelerate at a constant rate from rest to a speed of 200 km/hr in 8s. What estimated distance will the car travel.
What is the distance between deer a and c
What are vertical and horizontal components of the ball's momentum immediately after striking the crossbar. what is an average acceleration of the ball during this time interval.
What is mechanical energy
What is the potential energy of the elevator
A lens placed at the origin with its axis pointing all along the x axis produces a real inverted image at x=-24cm that is twice as tall as the object. What is an image distance.
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