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If a ball of mass, M, moving at velocity, v, collided with a ball of mass 10M at rest, describe what could happen to the velocities of the balls after the collision. Assume the less massive ball bounces off the more massive ball and moves in the negative direction. Be specific about their relative final velocities compared with the initial velocity of the less massive ball.
In an emergency stop to avoid an accident, a shoulder strap seatbelt holds a 60 kilogram passenger in place. find the average force applied to the passenger by the seat belt
A pendulum of length 7.87 m is released from rest at an angle of 22.4 º from the vertical. What is the maximum speed of the pendulum
The primary coil of an ideal transformer is connected to a 120-V source and draws 1.0 A. What is the voltage across the secondary coil
A 2.30 kg object attached to a spring moves without friction and is driven by an external force given by F = (3.00 N) sin(2pt). If the force constant of the spring is 25.0 N/m, determine the period
What is a dispersion diagram? Explain how the phase and group velocities can be determined from a dispersion diagram. When is it meaningful to attribute a group velocity to a signal comprised of more than two frequencies? Why?
A ball of weight Q and radius r is attached by a string AD to a vertical wall AB, as shownin Fig. Determine the tensile force S in the string and the reaction Rb against the wall atB if Q = 90 N, r = 75 mm, AB = 100 mm. Neglect friction at wall.
A sled is dragged along a horizontal path at a constant speed of 1.5 m/s by a rope that is inclined at an angle of 30.0° with respect to the horizontal, How much work is done by the rope on the sled
Find out the recoil velocity that the raft. At what height above the cannon should the net be placed in order to catch the daredevil.
A laser used to repair a detached retina has wavelength of 532nm. How many photons are in each pulse
Explain in detail how you can create an image by using a concave mirror. Give the three important rays which can be used to from the image.
In order for the turbines to work most efficiently the water should enter them at a speed of 20 m s -1. In order to achieve this the pipe narrows to what radius just before it enters the turbines?
An LRC circuit has L = 4.41 mH and R = 2.12 kΩ. Find what will be the maximum current at resonance
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