an athlete swims the length L of a pool in a time t1, and make the return trip to the starting position in a time t2. if they are swimming initially in the positive x-direction, determine their average velocities symbolically in (a) at the first half of the swim, (b) the second half of the swim and (c) the round trip. (d) what is their average speed for the round trip?
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Physics, 21.06.2019 23:20, marc2007
In the sport of parasailing, a person is attached to a rope being pulled by a boat while hanging from a parachute-like sail. a rider is towed at a constant speed by a rope that is at an angle of 15 ∘ from horizontal. the tension in the rope is 1900 n. the force of the sail on the rider is 30∘ from horizontal. what is the weight of the rider? express your answer with the appropriate units.
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Physics, 22.06.2019 11:10, myamiller558
Rank the automobiles based on the magnitude of the force needed to stop them, from largest to smallest.2000 kg car going 5m/s500 kg car going 20 m/s1000 kg car going20m/s500 kg car going10m/s1000 kg car going10/s4000 kg car going 5m/s 0 0 603
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an athlete swims the length L of a pool in a time t1, and make the return trip to the starting posit...
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