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## Homework Statement

A car collides with a brick wall and comes to rest.

A parcel which was on top of the roof at the time becomes detached. It is initially traveling horizontally and it strikes the ground a distance of 12m from the point where it left the car. The parcel is initially 1.5 m above ground.

What period of time elapses before the parcel strikes the ground?

Estimate the speed of the car just before it collided with the wall?

## Homework Equations

s=ut+1/2at^2

v=u+at

v^2=u^2+2as

## The Attempt at a Solution

i have no idea where to start, ??

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