We get hurt when we jump on a muddy floor than on a hard floor. give reason

A muddy floor can be very slippery so if you jump on a muddy floor, you will most likely slip and hurt yourself.

A hard floor will most likely be dry. So when you jump on a hardwood floor, you are less likely to slip. But, you can hurt your knees if you're not careful.

Injury can occur

Explanation:

you might be running then you start jumping without putting your heels down, then might get achilles tendonitis in your achilles tendons.

the duration of a photographic flash is related to an rc time constant, which is 0.100 μs for a certain camera.