What impulse must be applied to a 25-kg cart to cause a velocity change of 12 m/s? 2.10 N•s

13.0 N•s

300 N•s

0.480 N•s

A12-kg bag of groceries is tossed onto a table at 4.0 m/s and slides to a stop in 2.2 s . modify the equation fδt=δ (mv) to find the force of friction.

Apulley with a mechanical advantage of 5 will require you to pull times the amount of rope. a. 1/5 b. 5 c. 10 d. 15

Which transition by an electron will release the greatest amount of energy? oa ob oc od