# A car is (12 mathrm{~m}) from the bottom of a ramp that is (8.0 mathrm{~m}) long at

## Question:

A car is \(12 \mathrm{~m}\) from the bottom of a ramp that is \(8.0 \mathrm{~m}\) long at its base and \(6.0 \mathrm{~m}\) high (Figure P3.81). The car moves from rest toward the ramp with an acceleration of

**Data from Figure P3.81**

magnitude \(2.5 \mathrm{~m} / \mathrm{s}^{2}\). At some instant after the car begins moving, a crate is released from rest from some position along the ramp. The crate and car reach the bottom of the ramp at the same instant and at the same speed.

**(a)** At what distance \(d\) up the ramp was the crate released?

**(b)** How many seconds after the car started was the crate released?

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