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A tennis player serves a ball that travels 28m in 1.7s. What is its speed?
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Orque can be calculated by multiplying the force (n) applied at 90? to the lever arm at a distance (m) from the pivot point (point of rotation), the compound si unit for the torque is n? m. if the force (at 90? to the lever arm) applied is 15 n and it is applied at 2.0 m from the pivot point (point of rotation), what is the torque on the lever?
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If an inclined plane is 5 m long and 2 m high, what is its mechanical advantage? a. 2.5 b. 3 c. 7 d. 10
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Achild has maximum walking speed of 1.6 m/s. what is the length of the child's legs? 0.26 m
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A tennis player serves a ball that travels 28m in 1.7s. What is its speed?...
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