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Question: An object having mass 900 kg and traveling at speed 0.850c collides with a stationary object having mass 1 400 kg. The two objects stick together. Find
(a) The speed and
(b) The mass of the composite object.
A helicopter flies at a constant altitude towing a mass M of 119 kg. The helicopter and the mass have a horizontal acceleration of 2.54 m/s^2. Ignore air resistance find the tension in the cable.
Determine the magnitude of the total initial momentum of the two-block system. Find , the magnitude of the final velocity of the two-block system. What is the change in the system's kinetic energy due to the collision?.
You have a small electromagnet that consumes 300 W from a residential circuit delivering 120 V at 60.0 Hz. find the internal resistance of the electromagnet
q1. a 2.00 kg metal block slides on a rough horizontal surface inside an insulated pipe. after sliding a distance of
A capacitor with its plates separated by paper stores 4.6 nc of charge when it is connected to a particular battery. How much charge does the capacitor store
A certain person in a typical conversation speaks at a soundlevel of 63 dB. The music at a certain rock concert reaches a soundlevel of 110 dB. How many times as great is the intensity of the music?
1. an electric motor performs 2000 j of work while lifting a 50 kg mass. how far does it lift the mass?it it takes
A convex mirror has a focal length of -25.5 cm. Find the magnification produced by the mirror when the object distance is 8.7 cm
A 7.11-kg box is sliding across the horizontal floor of an elevator. find the kinetic frictional force that acts on the box
A hot-air balloon has a volume of 2741 m3. The density of the air outside the balloon is 1.205 kg/m3. How much weight can the balloon lift
A 1 025-kg satellite orbits the Earth at a constant altitude of 98-km. What is the change in the system's potential energy
The density of ice is 917 kg/m3, and the density of sea water is 1025 kg/m3. What is the weight of the heaviest bear that the ice can support without sinking completely beneath the water
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