A child sits in a wagon with a pile of 0403 kg rocks if she
A child sits in a wagon with a pile of 0.403 kg rocks. If she canthrow each rock with a speed of 11.7 m/s relative to the ground, how many rocks must she throw perminute to maintain a constant average speed against a 5.04 N forceof friction?
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a cylindrical copper rod of length 22 m and a cross-sectional area 50cm2 is insulated to prevent heat loss through its
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holding a long rope by its upper end you lower itonto a scale the rope has a mass of 0169 kg per meter of lengthand is
a projectile is fired horizontally from a gun that is 790 m above flat ground emerging from the gun with a speed of 250
a child sits in a wagon with a pile of 0403 kg rocks if she canthrow each rock with a speed of 117 ms relative to the
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two tugboats pull a disabledsupertanker each tug exerts a constant force of 155 x 106 none 20deg west of north and
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