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Houston community college
1) A luge and its rider, with a total mass of 170 kg, emerge from a downhill track onto a horizontal straight track with an initial speed of 53 m/s. Draw a diagram.
4) In figure 8-42, a block of mass m = 12 kg is released from rest on a frictionless incline of angle θ= 30o. Below the block is a spring that can be compressed 2.0 cm by a force of 270 N.
DRAW THE FIGURE
The block momentarily stops when it compresses the spring by 5.5 cm.
5) A 0.30 kg softball has a velocity of 15m/s at an angle of 35o below the horizontal just before making contact with the bat.
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