- #1

xforeverlove21

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## Homework Statement

A ball starts from rest and rolls down a hill with uniform acceleration, traveling 150 m during the second 5.0 s of its motion. How far did it roll during the first 5.0 s of motion?

Vi= 0

at time t=5s -> d= 150 m

## Homework Equations

d=vf+vi/2 * t

## The Attempt at a Solution

Vi= 0 since it starts from rest

at time t=5s it travels 150 m therefore the final velocity must be 30 m/s

plug all of this into an equation

d=vf+vi/2 * t= 75 m

Total distance= 150m+ 75m= 225m

But the answer is wrong. Where did i go wrong?