How much power is required to lift a 25 kg box to the top of a 4 meter flight of stairs in 3.5 seconds?

Which term describes the time it takes for half of a radioactive elements atoms to decay? absolute age half-life radioactive decay relative age

What are earth's three different tidal patterns called?

Blocks with masses of 3.0 kg, 4.0 kg, and 5.0 kg are lined up in a row on a frictionless table. All three are pushed forward by a 16 N force applied to the 3.0 kg block. How much force does the 4.0 kg block exert on the 5.0 kg block?

You push a table 8 meters for 16 minutes and do 6,720 j of work. how much power do you use

Which planet's gravitational pull is closest to that of Earth?

Which force keeps you near earths surface?

Name one process that requires a force in the human body.

Which describes the electric forces inside an atom

Why can radio telescopes be used 24 hours a day?

How do you find mass, volume and density? Any formulas?