Physics, 29.08.2019 07:30 lizzyhearts
Aperson is on a raft. the person exerts a force on the raft, causing the raft to move. the person also moves in the opposite direction. which statement best explains why the person and the raft moved in opposite directions? a). second law of motion b). action and reaction forces c). person wanted the raft to move d). force is the product of mass and acceleration
Answers: 2
Physics, 21.06.2019 19:30, Esmer1030
Agymnast dismounts off the uneven bars in a tuck position with a radius of 0.3m (assume she is a solid sphere) and an angular velocity of 2rev/s. during the dismount she stretches out into the straight position, with a length of 1.5m, (assume she is a uniform rod through the center) for her landing. the gymnast has a mass of 50kg. what is her angular velocity in the straight position?
Answers: 3
Physics, 22.06.2019 12:30, ayoismeisjjjjuan
Cathy is pedaling down a steep hill on her bicycle and wants to be able to coast up the next hill, which is 25 meters high, without pedaling. cathy and her bicycle have a mass of 75 kg. assuming her bicycle is 100% efficient, what would her speed have to be?
Answers: 3
Aperson is on a raft. the person exerts a force on the raft, causing the raft to move. the person al...
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