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A kid sits on a rotating merry-go-round, 2.0 meter from its center. If the speed of the kid is1.5 m/s, find the minimum coefficient of static friction between the kid and the merry-go-round that will prevent the kid from slipping?
A 52.4-gram ball is thrown from the ground into the air, with an initial speed of 16.3 m/s at an angle of 27.4o above the horizontal, Determine the corresponding values of the momentum (direction and magnitude) and the change in momentum
A projectile is shot from the edge of a cliff 140 m above ground level with an initial speed of 100 m/s at an angle of 37 degrees with the horizontal. Find out the time taken by the projectile to hit point at ground level.
A box is dropped from the height of 2000 m. Find the time taken by the box to reach the ground
An 86kg man drops from rest on a diving board 3.0m above the surface of the water and comes to rest 0.55s after reaching water. What is the net force on the diver as he is brought to rest.
The mass per unit length of the cord is 1.24 e-2 kg/m, so the mass of the cord is negligible compared to the mass of block. The cord is being vibrated at a frequency of 167 Hz (vibration source not shown in the drawing).
Two point charges totaling 7.50 µC exert a repulsive force of 0.250 N on one another when separated by 0.619 m. What is the charge on each if the force is attractive
An open organ pipe 0.750 {\rm m} long has its first overtone at a frequency of 441 {\rm Hz}. What is the temperature of the air in the pipe
A 1.83 kg book is placed on a flat desk. Suppose the coefficient of static friction between the book and the desk is 0.542, How much force is needed to keep the book moving at constant speed once it begins moving
a stone with a mass of 0.80 kg is attached to one end of a string 0.90 m long. Find the maximum speed the stone can attain without breaking the string
What is the initial (horizontal) velocity of the ball.
Two particles of masses m and 3.00m are moving toward each other along the x-axis with the same speed v. They undergo a head on elastic collision and rebound along the x- axis. Find out the final speed of the heavier object.
A bedroom bureau with a mass of 40 kg, including drawers and clothing, rests on the horizontal floor. What is the static friction force on the bureau initially
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