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A ball bounces upward from the ground with a speed of 14 m/s and hits a wall with a speed of 12 m/s. How high above the ground does the ball hit the wall? Ignore air resistance.
When the tire surface is rotating at the maximum speed of 12 m/s stone flies out of the tread. The magnitude FN of the normal force that each side of the tread channel exerts on the stone is 1.8 N. suppose that only static friction supplies centripet..
A 500g rock on a 80 cm long string is swung in a vertical circle 300 cm above the ground. What is the speed of the ball at this point
A dampled harmonic oscillator is made from a 0.8kg mass on a k=14N/m spring with a damping constant of 400g/s, What is the energy of the oscillator after one oscillation
A cannon ball (m=.7 kg) traveling at 200m/s hits and is impeded into a 400 kg car. If the car was initially at rest, what will be its velocity after the impact
A scaffold of mass 43 kg and length 6.5 m is supported in a horizontal position by a vertical cable at each end. What is the tension in the nearer cable
The 6.5 kg box has acceleration to the left of 3.50 m/s^2. There is an applied force of 50 N acting on the box. Determine the magnitude of the friction acting on the box
A polar bear starts at the North Pole. It travels 1.0 km south, then 1.0 km east, then 1.0 km north, What was the bear's average speed
Two light sources are used in a photoelectric experiment to determine the work function for a particular metal surface. Based on this measurement, what is the work function for this metal
Vector Identiteis can be proven by grinding them out in component form, but it is more satisfying to use methods based on the integral theorems (Divergence, Stokes etc). Using both approaches
Avoid the weight of the bat, since it is so much less than the force of the bat. Select the direction of the incoming ball as positive direction.
A clean zirconium surface is illuminated by ultraviolet light. What is the work function (in electron-volts) of the metal
A man ties one end of a strong rope 7.64 m long to the bumper of his truck, 0.505 m from the ground, and the other end to a vertical tree trunk at a height of 3.90 m. Compute the magnitude of the torque on the tree
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