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A 200kg sleigh is pulled along a ramp with a constant speed. the slope of the incline is 30degree. The sleigh is pulled through a distance of d=20m. The snowy slope is so slippery that consider it to be frictionless. What is the net work done on the sleigh?
The angle between the wall and A (top cable) is 30 degrees, the angle between the wall and B (bottom cable) is 60 degrees. Q is the variable pointing straight down, and P is the red vector pointing up and to the right at 75 lbs, 30 degrees above t..
a diver runs horizontally off the end of a 5 m high diving board at 8 ms.a. how long does it take for the diver to hit
The figure is a history graph at x = 0 m of a wave moving to the right at 2.0 rn/s. What is the amplitude of this wave? What is the frequency of this wave? What s the wavelength of this wave?
A car traveling at 40 m/s runs out of gas while traveling up a 6.0 degree slope. How far will it coast before starting to roll back down
An object is solid throughout. When the object is totally submerged in ethyl alcohol, its apparent weight is 15.3 N. When totally submerged in water, its apparent weight is 13.6 N. What is the volume of the object?
External forces compress 21 mol of ideal monatomic gas; during the process the gas transfers 15 kJ of heat to its surroundings, How much work was done on the gas
A ball is dropped from a height of 10 ft onto a level floor. If the coefficient of restitution is 0.9, how long will it take the ball to come to rest? Also, what is the total distance traveled by the ball.
Which of the following describes an object with nonzero net force acting on it?
A satellite has a mass of 105 kg and is located at 2.0*106 m above the surface of Earth. What is the potential energy associated by the satellite at this location? What is the magnitude of the gravitational force on the satellite?
You are in the neighborhood of a star (radius of 700,000 kilometers) which has emitted so many protons ("solar wind") during its life, that it now possesses a huge net negative charge of 6 x 10^6 C, What power must the engines of the probe use in o..
What is the angular speed of the wheels when the car has traveled half the total distance - What is the potential energy associated with the satellite at this location?
the magnetic field in a stern-gerlach experiment varies along the vertical direction so that the magnetic field
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