Physics, 29.05.2021 18:20 brodycruce

1)A stone of mass 20g is released from a catapult whose rubber has been stretching through 4cm. if the force constant of the rubber is 200Nm^-1, calculate the velocity with which the stone leaves the catapult 2)A spiral spring is compressed by 0.02m. calculate the energy stored in the spring, if the force constant is 400Nm^-1

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1)A stone of mass 20g is released from a catapult whose rubber has been stretching through 4cm. if t...