NEED ASAP Sarah stands on the 50 yard line of a football field and kicks a soccer ball to the 10 yard line, it takes the ball 2.5 seconds to get there. What is the velocity of the ball? What is the speed?

What is the mass of the same rock on the earth

Aball with a mass of 275 g is dropped from rest, hits the floor and rebounds upward. if the ball hits the floor with a speed of 2.40 m/s and rebounds with a speed of 1.70 m/s, determine the following. (a) magnitude of the change in the ball's momentum (let up be in the positive direction.)

The built in flash in a compact camera is usally capable of giving correct exsposure for distance up to how many meters?