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The 5-lb slender rod AB is released from rest in the position shown and swings to a vertical position where it strikes the 3-lb slender rod CD. Knowing that the coefficient of restitution between the knob K attached to rod AB and rod CD is 0.8, determine the maximum angle um through which rod CD will rotate after the impact.
A) What must the value of q3 be for the net force on this point charge to have magnitude 3.90 μN? B) What is the direction of the net force on q3? C)Where along the x axis can q3 be placed and the net force on it be zero, other than the trivial ans..
A 1000-kg cart is rolling to the right at 5m/s. A 75-kg man is standing on the right end of the cart. What is the speed of the cart if the man suddenly starts running to the left with a speed of 10.00m/s relative to the cart.
A 612 kg elevator starts from rest and moves upward for 4.00 s with constant acceleration until it reaches its cruising speed, 1.84 m/s. What is the average power of the elevator motor during this period
Illustrate what is the absolute pressure at a point that is 9.82 cm below the ethyl alcohol-mercury interface?
Compute the electric field (magnitude and direction) at the upper right corner of a square 1.22 m on a side if the other three corners are occupied with 2.45×106C charges. Suppose that the positive x-axis is directed to the right.
two point charges of equal magnitude are 7.8 cm apart. at the midpoint of the line connecting them their combined
Designing an oceanographic mooring. A mooring is a platform for placing scientific instrumentation in the water at a range of depths for extended periods of time. At its most basic, it consists of an anchor, a piece of cable, and a buoyant float (whi..
A 8.60-kg block of ice, released from rest at the top of a 1.48-m-long frictionless ramp, slides downhill, reaching a speed of 2.88m/s at the bottom. What is the angle among the ramp and the horizontal?
As a protest against the umpire's calls, a baseball pitcherthrows a ball straight up into the air at a speed of 200.0 m/s. find the force he exerts on the ball to give it this upward speed
An isotope of the element Thallium, Tl-206, undergoes beta decay with a half life of 3.1 minutes. what mass of the isotope will be left after 9.3 minutes have elapsed
A roller-coaster car has a mass of 504 kg when fully loaded with passengers Point B of the rollercoaster has a radius of 15.0m, What is the maximum speed the vehicle can have
One gallon of gasoline contains 3.1 107 calories of potential energy that are released during combustion. what is the average force produced by the gasoline
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