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A 2500 kg truck moving at 10 m/s strikes a car waiting at a traffic light, hooking bumpers. The two continue to move together at 7m/s. What was the mass of the struck car. (assuming no skidding tires)
What should the charge (sign and magnitude) of a particle of mass 1.487 be for it to remain stationary while placed in a downward-directed electric field of magnitude 630.
A 1.50 cm diameter parallel-plate capacitor with a spacing of 0.900 mm is charged to 300 V. What is the total energy stored in the electric field
Choose one part of the photo-electric experiment that cannot be explained by assuming that light is a wave. Why do we need the concept of light as a particle?
A brick is thrown upward from the top of a building at an angle of 45° to the horizontal and with an initial speed of 10 m/s. If the brick is in flight for 2.8 s, how tall is the building.
A pulley system has an efficiency of 87.5 percent. How much of the rope must be pulled in if a force of 648 N is is needed to lfit a 150kg desk 2.46m .
a beam of light enters a piece of zircon at an angle of incidence of 30 degrees. what is the angle of refraction in the zircon
A train is travelling up a 4.5 degree incline at a speed of 3.25 m/s when the last car breaks free and begins to coast without friction. a) How long does it take for the last car to come to rest momentarily? b) How far did the last car travel befo..
Explain in your own words the meaning of acute and chronic exposure, deterministic and stochastic effects from radiation. Give examples
An object of mass 263.25285 g executes SHM with an amplitude of 14.906379 cm and a period 29.11989 s. Find the force acting on the object
A wire of length 0.665 m carries a current of 21.0 A. In the presence of a 0.470 T magnetic field, compute the angle between the wire and the magnetic field
A 5.0-kg object with a speed of 4.0 m/s collides head on with a 10-kg object moving toward it with a speed of 3.0 m/s. what is the post-collision speed of the 5.0-kg object
AIlya and Anya each can run at the speed of 8.20 and walk at a speed of 4.00. They set off together on a route of length 5. 0. Anya walks half of the distance and runs the other half, while AIlya walks half of the time and runs the other half.
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