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A car is moving with velocity of 20 m/s when the brakes are applied and the wheels lock (stop spinning). The car then slides to a stop in 40 m. Find the coefficient of kinetic friction between the tires and the road?
1. two cars are traveling along a straight line in the same direction the lead car at 24.0ms and the other car at
A 4,000-kg satellite is traveling in a circular orbit 200 km above the surface of the Earth. What is the force of gravity on the marble as viewed by the observers on the Earth
The density of ocean water is 1035 kg/m3. Use the gravitational acceleration of 9.8 m/s2 for the following questions. how deep the submarine can dive
a shopper pushes a grocery cart by exerting a force on the handle. if the force equal 76 N at an angle of 40.0 degrees below the horizontal, how much force is pushing the cart in the forward direction
45 grams of water whose temperature is 30° Celsius are added to a thin glass containing 700 grams of water at 20° Celsius
Two soccer players start from rest, 43 m apart. They run directly toward each other, both players accelerating. How much time passes before the players collide
a spool of thin wire pivots on a frictionless shaft. the wire is pulled by a hanging mass m of 1.30 kg. calculate the
A loop antenna of area A = 1.87 cm2 and resistance R = 4.06 µO is perpendicular to a uniform magnetic field of magnitude 19.7 µT. How much thermal energy is produced in joules in the loop by the change in field
a golf ball rolls up a hill toward a miniature golf hole. assume that the direction toward the hole is positive. if the
The thrust of a rocket is a gravitational force acting on the rocket the force of the exiting fuel gases on the rocket any force that is external to the rocket-fuel system a force that arises from the reduction in mass of the rocket-fuel system none ..
a proton mass 1.67 times 10-27 kg moves in a one-dimensional electrical potential 17 mvm2x2 . what is the frequency of
question one end of a horizontal rope is attached to a prong of an electrically driven tuning fork that vibrates the
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