Physics

Precious Dougherty

22 June, 13:43

A car starts from rest and travels for 5.8 s with a uniform acceleration of + 1.2 m/s2. The driver then applies the brakes, causing a uniform acceleration of - 1.7 m/s2. The breaks are applied for 1.60 s.

(a) How fast is the car going at the end of the braking period?

4.2 m/s

(b) How far has the car gone from its start?

+4

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