Physics, 01.07.2021 16:30 sierravick123owr441
The direction of the vertical velocity vector of an upwardly launched projectile . A. changes from up to down
b. always points down
c. always points up
d. is a parabola
Answers: 1
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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?
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Physics, 22.06.2019 19:30
Aplayground slide is 8.80 ft long and makes an angle of 25.0° with the horizontal. a 63.0-kg child, initially at the top, slides all the way down to the bottom of the slide. (a) choosing the bottom of the slide as the reference configuration, what is the system's potential energy when the child is at the top and at the bottom of the slide? what is the change in potential energy as the child slides from the top to the bottom of the slide? (include the sign of the value in your answer.)
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Physics, 22.06.2019 23:00
In which of these cases are the two wave points considered to be in phase with each other?
Answers: 1
The direction of the vertical velocity vector of an upwardly launched projectile . A. changes from u...
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