A 45 kg block sits on a table and is acted on by a 120N horizontal force. The block moves at a constant velocity of 3 m/s. What is the frictional force acting on the block?
What is the coefficient of friction between the block and the table?

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)

State the following: boyle's law and charle's law

What is the measure of how much matter is in an object and that can be measured using a balance? a. height b. volume c. weight d. mass