The police estimate that for good road conditions the frictional force, F , on a skidding vehicle of mass, m, is given by F = 0.8mg . A car of mass 450 kg skids to a halt narrowly missing a child. The police measure the skid marks and find they are 12.0 m long. Calculate the deceleration of the car when it was skidding to a halt.

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Physics questions and answers. A police officer investigating an accident estimates that a moving car hit a stationary car at 25 km/h. Before the collision, the car left 47-m -long skid marks as it braked. The officer …

1. d.90

2. e. none of these (80)

3. a. 0

4. b. 6

5. e. none of these (10)

6. a. 5

include a picture of the drawing in order for me to

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