Question

Braking causes the vehicle speed to change from 102 km/hr to 27 km/hr over a distance of 70 m. Determine the angle of the hanging graduation tassel during this constant acceleration. Report the angle phi in degrees.

The tassel described in P7 has a mass of 48 g. A massless string secures the tassel to the rear view mirror. Determine the tension in the string under the braking conditions described in P7. Report the result in mili-Newtons

Step 1

The diagram is shown below.

Step 2

The acceleration of the vehicle is

Step 3

The angle i...

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