if someone dropped a 2.13 kg cannon ball from the 57.3 m tower of pisa, how much did gravity do on the ball

To calculate how much gravity did on the cannon ball, you can use the equation for gravitational potential energy. The potential energy formula is given by:

Potential Energy = Mass * Gravitational Acceleration * Height

In this case, the mass of the cannon ball is 2.13 kg, the height is 57.3 m, and gravitational acceleration is approximately 9.8 m/s^2.

Plugging in the values:

Potential Energy = 2.13 kg * 9.8 m/s^2 * 57.3 m

Potential Energy ≈ 1197.7446 Joules

So, gravity did approximately 1197.7446 Joules of work on the cannon ball when it was dropped from the 57.3 m tower.