JEE Main 202131 Aug, Morning shiftPhysicsMediumLaws of Motion70× since 2002
A car is moving on a plane inclined at 30 to the horizontal with an acceleration of 10 ms^2 parallel to the plane upward. A bob is suspended by a string from the roof of the car. The angle in degrees which the string makes with the vertical is ______________. (Take g = 10 ms^2)