An object of mass 2 kg is held at the top of a triangular wedge, and then released. the reference level for potential energy is at the base of the triangle. neglect friction and use g=10m/s^2. height of triangular wedge=3m width of triangular wedge=4m. what is the amount of work done by the gravitational force as the object comes to the bottom of the wedge? also, what is the speed of the object just before it reaches the bottom of the wedge?
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If vx = 7.00 units and vy = -7.60 units, determine the magnitude of v⃗ . determine the direction of v⃗ .
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Aball with a mass of 275 g is dropped from rest, hits the floor and rebounds upward. if the ball hits the floor with a speed of 2.40 m/s and rebounds with a speed of 1.70 m/s, determine the following. (a) magnitude of the change in the ball's momentum (let up be in the positive direction.)
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An object of mass 2 kg is held at the top of a triangular wedge, and then released. the reference le...
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