A tennis player hitting a backhand shot exerts a 12.7 N force on the tennis ball for 0.15 s. What impulse is given to the ball?

If anyone gives a fake answer or just copy pastes the question I will report you.

Examine the nuclear reacti why is this classified as a nuclear reaction rather than a chemical reaction? it is not balanced. a new compound is formed. a change has occurred in a nucleus. a new element has been formed.

Estimate the schwarzschild radius (in kilometers) for a mini-black hole formed when a superadvanced civilization decides to punish you (unfairly) by squeezing you until you become so small that you disappear inside your own event horizon. (assume that the your weight is 50 kg)

Match each scenario to the form of energy it represents