Question

A car is moving on a plane inclined at 30° to the horizantal with an accelearation of 9.8m/s^2 parallel tobthe plane upwards.A bob is suspended by a string from the roof. The angle in degrees which the string makes with vertical is: (assume that bob doesn't move relative to car)

Answer 1

I think answer is 35.18 my handwriting is horrible is can't understand feel free to ask