Physics, 20.08.2019 20:30 ashuntihouston14
Achild on a sled is perched at the top of a hill, at a height 7.0 m above the base of the hill. the total mass of the girl plus the sled is 32 kg. ignore friction and air resistance. if the child/sled starts sliding down the hill with an initial speed of zero, how fast will she be moving when she reaches the base of the hill? if her mother gives her a strong push so that she starts down the hill with an initial speed of 5 m/s instead of zero, how fast will she be moving when she reaches the base of the hill? show all work
Answers: 3
Physics, 22.06.2019 04:30
The graph describes the motion of an object. the object moves with from a to b. it from b to c. it moves with from c to d.
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Physics, 22.06.2019 07:40
Which best describes how fluids change as they travel through different portions of the convection currents? they change to solids at the outer portion of the convection currents. they change to solids at the inner portion of the convection currents. they become more dense at the outer portion of the convection currents. they become more dense at the inner portion of the convection currents
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The force needed to overcome static friction is usually less than that needed to overcome kinetic friction.true or false?
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Achild on a sled is perched at the top of a hill, at a height 7.0 m above the base of the hill. the...
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