3 years ago

I have four questions.

Physics

2 answers:

Inga [223]3 years ago

7 0

Answer:

The potential energy of the ball is 784 joules. And the kinetic energy of it is 392 while falling halfway down.

Explanation:

PE = mass (2kg) * Gravitational acceleration (9.8 m/s^2)* height (40 meters)

KE = 1/2 mass (1 kg) * velocity^2 (19.8)

Andru [333]3 years ago

6 0

Answer:

784 Jules, 392 Jules, 784 Jules

Explanation:

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