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A 851-kg car stopped at an intersection is rear-ended by a 1760-kg truck moving with a speed of 17.5 m/s. If the car was in neutral and its brakes were off, so that the collision is approximately elastic, find the final speed of both vehicles after the collision?
A car goes around a curve on a road that is banked at an angle of 35.0^\circ. What is radius of curve
What is the magnitude of the shell's acceleration just after it is released? What is the speed of the shell at this time
A thin spherical shell has a radius of 2.1 m and a mass of 360 kg, and its center is located at the origin of a coordinate system. What is the gravitational force of attraction between the two shells
Two kids decide to race from one end of a 20 meter long moving sidewalk to the other and back. Phillip runs on the sidewalk at 2.0 meters/sec (relative to the sidewalk). Who wins the race
two identical blocks are stacked one on top of the other. the bottom block is free to slide across a frictionless surface. What is the maximum horizontal force that can be applied to the lower block without the upper block slipping
A commercial airliner is undergoing its initial ascent while the pilot maintains a cabin environment of T = 23 C, r = 0.35, and p = 880 hPa. At the 670 hPa level an exit door ruptures and cabin pressure rapidly decompresses. Will clouds form in the c..
How to find the position and height of an image
A solenoid of radius 1.1 cm produces a magnetic field at its center is 0.28 T. What is the magnetic flux by the center of the solenoid.
A parallel-plate air capacitor of area A = 21.9 cm2 and plate separation of d = 3.60 mm is charged by a battery to a voltage of 64.0 V. how much additional charge will flow from the battery
After landing on an unfamiliar planet, a space explorer constructs a simple pendulum of length 49.0. What is the magnitude of the gravitational acceleration on this planet
How fast is the center of mass of the two-stone system. A worker stands still on a roof sloped at an angle of 28° above the horizontal. He is prevented from slipping by a static frictional force of 470 N. Find out the mass of the worker.
A transformer is to be used to provide power for a computer disk drive that needs 6.4 V (rms) instead of the 120 V (rms) from the wall outlet. Find the number of turns in the secondary
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