The amount of work done in pumping water out of a
cubical vessel of height 1 m is nearly
(a) 5000 j
(b) 1 j
(c) 5job
(d) 10 j

Gunpowder residue is most likely to show up where on a shooters hands

4. if you were an astronaut on the moon, what would you experience? what would you see from your perspective?

The great sandini is a 60.0-kg circus performer who is shot from a cannon (actually a spring gun). you don’t find many men of his caliber, so you him design a new gun. this new gun has a very large spring with a very small mass and a force constant of 1100 n/m that he will compress with a force of 4400 n. the inside of the gun barrel is coated with teflon, so the average friction force will be only 40.0 n during the 4.00 m he moves in the barrel. at what speed will he emerge from the end of the barrel, 2.50 m above his initial rest position?