A 2.5 kg ball moving at 5 m/s collides with a 2.5 kg stationary ball in a perfectly elastic collision.  What is the velocity of the second ball before the collision? ​

How was george washington able to defeat the british in the battle of trenton and princeton

Which of the following statements is true about water access in the middle east? a. access to coastal waters is not important to people.b. most countries depend on outside resources for water.c. water is available in large supplies in all countries.d. all countries have sources of renewable freshwater.

What role did priests and bishops play in the early christian church