Determine the maximum speed the ball can have
A 0.40 kg ball, attached to the end of a horizontal cord, is rotated in a circle of radius 1.1 m on a frictionless horizontal surface. If the cord will break when the tension in it exceeds 62 N, what is the maximum speed the ball can have?
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A fire hose exerts a force on the person holding it. This is because the water accelerates as it goes from the hose through the nozzle....
A 45.0 kg seal at an amusement park slides from rest down a ramp into the pool below. The top of the ramp is 2.00 m higher than the surface of the water and the ramp is inclined at an angle of 35.0 above the horizontal.
A net force of 25 N is applied for 5.7 s to a 12-kg box initially at rest. What is the speed of the box at the end of the 5.7-s interval?
Calculate the diameter of the bright circular spot formed on the 2.80 m high ceiling by the light reflected from the mirror
An ice skater is spinning at 20rad/s about her longitudinal axis when she abducts her arms and doubles here radius of gyration about her longitudinal axis from 30 to 60cm. if her angular momentum is conserved, what is her angular velocity about he
A hunter aims directly at a target (on the same level) 111m away. If the bullet leaves the gun at a speed of 221m/s, by how much will it miss the target?
A 126 kg fullback is running at 3.84 m/s to the east and is stopped in 0.700 s by a head-on tackle by a tackler running due west. Calculate the impulse exerted on the fullback. Calculate the impulse exerted on the tackler.
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