Inside a horizontally accelerating railroad car, a pendulum bob is seen to hang at an angle of 30° to the vertical. If the car is moving on a straight, level track, what is its acceleration? (Assume g = 10 m/s²)
Inside a horizontally accelerating railroad car, a pendulum bob is seen to hang at an angle of 30° to the vertical. If the car is moving on a straight, level track, what is its acceleration? (Assume g = 10 m/s²)