Question

cannon fires a cannonball with a kinetic energy of 283,716J as it leaves the muzzle pointed straight up. How much energy does the cannonball have at the top of its trajectory, assuming no air resistance

Answer 1

283,716 J

Step-by-step explanation:

By the conservation law of energy, if there is no air resistance, the energy at the top of its trajectory will be the same that it has at the beginning. There will be potential and no kinetic energy because it won't have velocity but the total energy will be the same.

Then, the energy at the top of its trajectory will be 283,716 J