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4. A block is launched up a frictionless ramp, as shown, with initial speed v,. The block travels up the ramp and continues across the level section. a. List the forces exerted on the block after it has been launched, as it moves up the ramp. Which forces, if any, do non-zero work on the block? Which forces, if any, do zero work on the block? b. Write an expression for the net work done on the block from the bottom to the top of the ramp. Express your answer in terms of one or more of the following quantities: the weight mg of the block, the angle 0, and the height H of the ramp. Show your work.

4. A block is launched up a frictionless ramp, as shown, with initial speed v,. The block travels up the ramp and continues across the level section. a. List the forces exerted on the block after it has been launched, as it moves up the ramp. Which forces, if any, do non-zero work on the block? Which forces, if any, do zero work on the block? b. Write an expression for the net work done on the block from the bottom to the top of the ramp. Express your answer in terms of one or more of the following quantities: the weight mg of the block, the angle 0, and the height H of the ramp. Show your work.

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4. A block is launched up a frictionless ramp, as shown, with initial speed v,. The block travels up the ramp and continues across the level section. H a. List the forces exerted on the block after it has been launched, as it moves up the ramp. Which forces, if any, do non-zero work on the block? Which forces, if any, do zero work on the block? b. Write an expression for the net work done on the block from the bottom to the top of the ramp. Express your answer in terms of one or more of the following quantities: the weight mg of the block, the angle 0, and the height H of the ramp. Show your work.
Transcribed Image Text:4. A block is launched up a frictionless ramp, as shown, with initial speed v,. The block travels up the ramp and continues across the level section. H a. List the forces exerted on the block after it has been launched, as it moves up the ramp. Which forces, if any, do non-zero work on the block? Which forces, if any, do zero work on the block? b. Write an expression for the net work done on the block from the bottom to the top of the ramp. Express your answer in terms of one or more of the following quantities: the weight mg of the block, the angle 0, and the height H of the ramp. Show your work.
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