Ball 1, with a mass of 20kg, is moving to the right at 20m/s. At what velocity should Ball 2, with a mass of 40kg, move so that they both come to a stand still upon collision?

a 5.00 kg ball accelerates at a rate of 2.00 m/s squared for 1.50 seconds. calculate the balls momentum after the acceleration

The angular velocity in rad/s if the minute hand of a watch is:

English What is the identity of the planets? Planet Distance from Sun (km) 778,600,000 4,495,100,000 1,433,500,000 2,872,500,000

A 0.500-kg ball traveling horizontally on a frictionless surface approaches a very massive stone at 20.0 m/s perpendicular to wall and rebounds with 70.0% of its initial kinetic energy. what is the magnitude of the change in momentum of the stone?

A steel wire of diameter 1 mm can support a tension of 0.24 kn. suppose you need a cable made of these wires to support a tension of 24 kn. the cable should have diameter of what order of magnitude?

Sodium-22 Sodium-25 # of protons # of neutrons # of electrons

As the particles of a solid undergo sublimation, they A: lose energy B: move closer to one another C: change temperature D: move farther apart from one another

the math club must order 35 new uniform shirts. There are 5 more girls than twice the number of boys in the club. How many of each uniform type should the club order

Find out the kinetic energy of a body of mass 2kg moving with the speed of 3m/s

When light waves passes straight through an object, it is called?