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Pendulum question!!!!!!!!!!!!?
A ball of mass 20.0 g is launched horizontally from a height of 1.66 m. It is observed to travel 3.49 m horizontally. What was the initial speed of the ball?
What is the initial momentum of the ball?
What is the initial kinetic energy of the ball?
If the ball is instead launched at a pendulum of mass 103.0 g and makes a perfectly inelastic collision, how fast is the pendulum+ball going immediately after the collision?
What is the kinetic energy of the pendulum+ball immediately after the collision?
What is the maximum height obtained by the pendulum+ball?
1 Answer
- 1 decade agoFavorite Answer
The initial speed is 6m/s.
The initial momentum is .12 N * s
The initial kinetic energy is .36J
The initial velocity of the pendulum + ball is 2.92 m/s
The initial kinetic energy is .525J
The maximum height obtained is .436 m