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An 1800 kg car stopped at a traffic light is struck from the real by a 900kg car. The two cars become entangled, moving along the same paths that of the originally moving car. If the smallest car were moving at 20m/s before the collision. What is the velocity of the entangled cars after the collision
A circular coil of wire 3.89 cm in diameter has a resistance of4.71 Ω. It is located in a magnetic field of 0.58 T directed at right angles to the plane of the coil. The coil is removed from the field in 0.235 s.
in a physics lab experiment a spring clamped to the table shoots a 19g ball horizontally. when the spring is compressed
Two blocks are connected by a wire that has a mass per unit length of 8.50 x 10-4 kg/m. Find what is the magnitude of horizontal force
A collie drags its bed box across a floor by applying a horizontal force of 3.1 N. find the increase in thermal energy of the bed and floor
Two grapes are given equal charges and held apart at a distance of1.6 m. They experience a repulsive force of2.2 N. Find the magnitude of the charge on each grape.
A 1 C charge is 15 meter from a second charge, then the force between then is 1 Newton, obtain the magnitude on the second charge
A glider of mass 0.155kg is moving to the right on a frictionless, horizontal air track with a speed of 0.760m/s. Find the magnitude of the final velocity of the 0.155kg glider
The British gold sovereign coin is an alloy of gold and copper having a total mass of 7.988 g, and is 22-karat gold. (a) Find the mass of gold in the sovereign in kilograms using the fact that the number of karats = 24 (mass of gold)/(total mass)...
A pot of water is boiling less than one atmosphere of pressure. Suppose that heat enters the pot only through its bottom, which is copper and rests on a heating element. In two minutes, the mass of water boiled away is m = 0.43 kg. The radius of the ..
a bicycle is turned upside down in the shop being repaired. a friend spins the wheel, radius R, and notices that water drops fly off the wheel tangentially to the wheel, calculate the average velocity V during one revolution
A 68.0 kg person escapes from a burning building by jumping from a window 25m above a catching net. Assuming that air resistance exerts a 95N force on the person during the fall, determine the person's velocity just before hitting the net.
A pyramid has a height of 503 ft and its base covers an area of 12.0 acres, Find the volume of this pyramid in cubic meters
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