A roller coaster car rapidly picks up speed as it rolls down a hill. As it starts down the hill, its speed is 4 m/s. But 3 secon

Question

3 years ago

9

ds later, at the bottom of the hill, its speed is 22 m/s. What is its average acceleration?

1 answer:

Elan Coil [88] · Answer 1 · 2022-03-14T11:53:05+03:00

The acceleration is $6 m/s^2$

Explanation:

The acceleration of an object is the rate of change in velocity, and it is given by the equation

$a=\frac{v-u}{t}$

where

v is the final velocity

u is the initial velocity

t is the time needed for the velocity to change from u to v

For the roller coaster in this problem, we have

u = 4 m/s

v = 22 m/s

t = 3 s

Substituting, we find

$a=\frac{22-4}{3}=6 m/s^2$

Learn more about acceleration:

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