In order to ride a bike up a hill with increasing speed—

Physics

1 answer:

sergey [27]2 years ago

5 0

Answer: the rider’s pedal force must be greater than friction and the force of gravity

Explanation:

This is because if the pedal force was less, you would go slower, and it is obviously not impossible to ride up a hill without increasing speed. But if the force was greater, your speed would increase.

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A student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed of v0 = 15.0 m/s. The cliff i

ankoles [38]

Answer:

(a) x0 = 0m and y0 = 49.0m

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(d) X = 15.0t and y = 49.0 - 4.9t²

(e) t = 3.16s

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Explanation: