How much work was done the lift
a mehanical lift raises a 325 kg automobile 2 m for servicing. how much work was done the lift?
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Sketch the velocity/time graphs of the following motions: a) a city bus that is moving with a constant velocity
A car entering a freeway ramp accelerates from 14m/s to 25 m/s in 10 seconds. what is the cars average acceleration during this 10 seconds?
A car is driven 105 km west and then 65 km southwest. What is the displacement of the car from the point of origin (magnitude and direction)?
A 45.0kg girl is standing on a 149kg plank. the plank, originally at rest, is free to slide on a frozen lake, which is a flat, frictionless surface. the girl begins to walk along the plank at a constant velocity of 1.60m/s relative to the plank. w
An automobile and train move together along parallel paths at 31.6 m/s. The automobile then undergoes a uniform acceleration of -4 m/s2 because of a red light and comes to rest. It remains at rest for 44 s, then accelerates back to a speed of 31.6
Air is streaming horizontally past a small airplanes wings such that the speed is 50m/s over the top surface and 30m/s past the bottom surface. the plane has a mass of 300kg and a total wing area of 5.00m^2(both wings). What is the lift forc
How do you think slavery influenced the evolution of both Black and White America today? Explain
A rifle is aimed horizontally toward the center of a target 0.10 km away, but the bullet strikes 10 cm below the center. Calculate the velocity of the bullet just as it emerges from the rifle.
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