ow much work is needed to change the speed of a 2.0 kilogram object from 5.0 meters per second to 15 meters per second?

Which example has gravitational potential energy? a.a horse slowing down from a run b.an apple about to fall from a tree branch c.a bicycle being pedaled down a horizontal path d.beaker sitting on the floor

Ascientific blank must be testable and capable of being proven false?

Aforce of 8,480 n is applied to a chart to accelerate it at a rate of 26.5 m/s2. what is the mass of the cart?