A frictionless roller coaster (22kg) is at a height h traveling with a speed v0 = 10m / s. Assume that h = 20m. The speed of the car at point B is:

Free runners jump long distances and land on the ground or a wall. how do they apply newton’s second law to lessen the force of impact?

Waves that cause the most damage during an earthquake are a. surface waves c. s waves b. p waves d. ocean waves

On your wedding day your lover gives you a gold ring of mass 3.67 g. 48 years later its mass is 3.44 g. on the average how many atoms were abrated from the ring during each second of your marriage? the atomic mass of gold is 197 u. don't enter units