Question

(1)Braking causes the vehicle speed to change from 98 km/hr to 23 km/hr over a distance of 97 m. Determine the angle of the hanging graduation tassel during this constant acceleration. Report the angle phi in degrees.

(2)

The tassel described in P1 has a mass of 42 g. A massless string secures the tassel to the rear view mirror. Determine the tension in the string under the braking conditions described in P1. Report the result in mili-Newtons.

Answer 1