Question

Mystical ride her scooter down the hill from the state of rest when she reaches the bottom of the hill 4.0 seconds later her speed is 10.0 m/s what is Mr. Core is acceleration down the hill

Answer 1

The acceleration is $2.5 m/s^2$

Explanation:

This is a uniformly accelerated motion (constant acceleration), therefore we can apply the following suvat equation:

$v=u+at$

where

v is the final velocity

u is the initial velocity

a is the acceleration

t is the time

For the scooter in this problem, we have

u = 0 (it starts from rest)

v = 10.0 m/s is the final velocity

t = 4.0 s is the time interval

Solving for a, we find the acceleration:

$a=\frac{v-u}{t}=\frac{10-0}{4}=2.5 m/s^2$

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