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A 25.0 gram object moving to the right at 20.0 cm/s overtakes and collides elastically with a 8.0 gram object moving in the similar direction at 15.0 cm/s. Calculate the velocity of each object after the collision.
q1. in a car lift the output plunger has a radius of 9cm. the weight of the plunger and the car is 21600n. what is the
If the torque needed to loosen a nut that is holding a flat tire in place on a car has a magnitude of 45.0 N•m, find what minimum force must be exerted by the mechanic
a 4 m string is held fixed at both ends. when driven by 108 Hzsource, the string vibrates in 4 distinct segments. What is the natural fundamental frequency of the string
Communication satellites are placed in geosynchronous orbit, i.e., in circular orbit such that they complete one full revolution about the earth in one sidereal day.
Two blocks of equal massed are connected via a pulley system. The mass of the pulley equals the mass of each block. One block is hanging down from the pulley, and the other is on an inclined plane.
a carnot engine operates between the temperatures 490 k and 300 k. how much heat is discarded for the engine to produce
A force of 15 N applied to a spring stretches it by 4cm. What is the potential energy of the spring in the stretched position
suppose that electrical attraction rather than gravity were responsible for holding the moon in orbit around the earth.
Paul is what most people consider a "jock." He is the captain of both the football and wrestling team and he also plays hockey. Upon entering Mrs. Title's class she figured that he would not take course seriously nor would he excel in class. She p..
The electron beam inside a television picture tube is 0.4 mm in diameter and carries a current of 55 µA. What is the power delivered to the screen by the electron beam
An electric dipole has opposite charges of 5 x10^15 C separated by a distance of 0.4mm. find the potential energy of the dipole in the given position
The mechanical advantage of a hydraulic jack is 450. Find the weight of the heaviest automobile that can be lifted by an applied force of 60.0 N
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