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Question: The minimum distance required to stop a car moving at 38.0 mi/h is 50.0 ft.
Part A: What is the minimum stopping distance for the same car moving at 72.0 mi/h, assuming the same rate of acceleration?
ft
A cosmic-ray proton in interstellar space has an energy of 18.0 MeV and executes a circular orbit having a radius equal to that of Jupiter revolving around the Sun (7.78 x 1011 m). Obtain the magnetic field in that region of space
an object is acted on by a drag force with a magnitude that is proportional to the speed. the object accelerates
A massless cylinder 49 cm long rests on a horizontal frictionless table. The cylinder is divided into two equal sections by a membrane, How far will the cylinder move if the membrane is removed
a battery has an emf of 15.0 v. the terminal voltage of the battery is 13.1 v when it is delivering 18.0 w of power to
A water pistol aimed horizontally projects a stream of water withan initial speed of 5.75 m/s. How far does the water drop in moving1.75 m horizontally?
a football is kicked at ground level with a speed of 18m/s at angle of 35 to the horizontal. How much later does it hit the ground
Assume that water flowing through a pipe with a circular cross section flows most rapidly at the center of the pipe and least rapidly near the pipe walls. find the speed of the water at the center of the pipe
A 0.300 kg puck, initially at rest on a horizontal, frictionless surface, is struck by a 0.200 kg puck moving initially along the x axis with a speed of 2.00 m/s. After the collision, the 0.200 kg puck has a speed of 1.00 m/s at an angle of ? = 55..
It collides with and sticks to the spring, which is compressed by 2.50 cm in bringing the block to a momentary halt. Assuming air resistance is negligible; from what height (in cm) above compressed spring was the block dropped.
A ball is thrown from the window of a high-rise building with an initial velocity of 5.1 m/s at an angle of 22 deg. below the horizontal. Find the height from which the ball was thrown
Find out (a) the coefficient of kinetic friction between m2 and the incline, (b) the acceleration of each mass, and (C) the tension in the string.
a an ideal gas occupies a volume of 3.0-cm3 at 20degc and atmospheric pressure. determine the number of molecules of
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