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A spherical pinball, initially at rest, rolls down a ramp inclined at 18 degrees relative to horizontal.
A. What is its translational speed after it has traveled 15 cm down the ramp?
B. Determine the translational speed after 3 seconds. (This is tricky because you must express the distance traveled down the ramp and velocity using constant acceleration equations. Plug those into your equation relating the distance and velocity.)
A river 107.3 m wide flows toward the south at 31.0 m/min. A girl on the west bank wishes to reach the east bank in the least possible time. How far downstream does she travel
what is the max number of steps any worker should be allowed.
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A pump flows 100 gal/min of water. The inlet pressure is 0 psig and the outlet pressure is 20 pisg. How much electricity (kW) is required to power the motor
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