Multiple choice

A stone with mass of 0.1 kg is catapulted as shown in the figure. The total force in N exerted by the rubber band as a function of distance x (in m) is given by Fx = 300 x2. If the stone is displaced by 0.1 m from the un-stretched position (x = 0) of the rubber band, the energy stored in the rubber band is

  1. 0.01J

  2. 0.1J

  3. 1J

  4. 10J

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation