Question
(a)Calculate the force (in N) needed to bring a 1050 kg car to rest from a speed of 80.0 km/h in a distance of 130
(a)Calculate the force (in N) needed to bring a 1050 kg car to rest from a speed of 80.0 km/h in a distance of 130 m (a fairly typical distance for a non-panic stop). N
(b)Suppose instead the car hits a concrete abutment at full speed and is brought to a stop in 2.00 m. Calculate the force exerted on the car and compare it with the force found in part (a).
| force in (b) |
| force in (a) |
=
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Physics Of The Earth
Authors: Frank D. Stacey, Paul M. Davis
4th Edition
0521873622, 9780521873628
