will the water temperature of a mixture of warm water and cold water change after 5 minutes and after 10 minutes? will the temperature stop changing if you put a lid over the beaker?

A500g object falls off a cliff and losers 100 j from its gravitational potential energy store. if the gravitational field strength g=9.8n/kg, how high is the cliff?

Find v(t), given acceleration a(t)=7j and initial velocity v(0)=k

Which one of the following terms is used to indicate the natural tendency of an object to remain at rest or in motion at a constant speed along a straight line? velocity acceleration equilibrium force inertia