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You push an object of mass m slowly, partway up a loop-the-loop track of radius R, starting from the bottom, where the normal force to the track is vertically upward and ending at a point a height h < R above the bottom. The coefficient of friction between the track and the object is a constant μ.
Determine the work you do against friction?
A large capacitance of 1.20 mF is needed for a certain application. Calculate the volume of Teflon alone in the capacitor
You have a 96.1-cm-long copper rod with a rectangular cross section of dimensions 5.47 cm by 7.39 cm. Find the heat current* through the rod
A person lies flat on the sidewalk with her ear to the ground. A limb falls and two distinct sounds are heard, one from the air and the other from the concrete. How far away did the impact occur
Suppose a 1800 kg car passes over a bump in a roadway that follows the arc of a circle of radius 20.4 m. What force does the road exert on the car as the car passes the highest point of the bump if the car travels at 8.94 m/s
A 2.65 kg mass oscillates back and forth on a spring with a velocity vector that varies as a function of time according to the following v(t)=(3.95cm/s) sin [0.79 rad/s], What is the maximum speed of mass
You are traveling in a convertible with the top down. The car is moving at a constant velocity of 12.8 m/s, How far has the car moved when you get a chance to catch the tomato
Which of the following is not a valid criterion for the acceptance of a physical law or theory?
Two cars of 2000 %u2013kg each collide head-on while traveling at 75.0 miles per hour. What is the temperature increase of the cars
A hypothetical diatomic molecule is composed of two identical atoms of mass 12 u. what is the rotational inertia
A sledge loaded with bricks has a total mass of 18.4 kg and is pulled at constant speed by a rope inclined at 19.2° above the horizontal. What is the mechanical energy lost due to friction
the human ear canal is about 2.3 cm long. if it is regarded as a tube open at one end and closed at the eardrum what is
A primitive diving bell consists of a cylindrical tank with one end open and one end closed. The tank is lowered into a freshwater lake, open end downward. Water rises into the tank, compressing the trapped air, whose temperature remains constant ..
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