A van accelerates down a hill (Fig. P5.69), going from rest to 30.0 m/s in 6.00 s.

Question:

A van accelerates down a hill (Fig. P5.69), going from rest to 30.0 m/s in 6.00 s. During the acceleration, a toy (m =0.100 kg) hangs by a string from the van€™s ceiling. The acceleration is such that the string remains perpendicular to the ceiling. Determine (a) the angle θ and (b) the tension in the string.

A van accelerates down a hill (Fig. P5.69)