A car increases velocity from 0 m/s to 15 m/s in 2 seconds. What is the car’s acceleration?

Agroup of students were investigating the force of gravity. they began by dropping a foam ball from a height of 3 meters into a bucket of sand. the ball hit the sand in 0.306 seconds. they dropped additional balls of approximately the same diameter, but of different masses. here is the data they collected. based on this experiment and the collected data, what would their conclusion be?

The diagram shows four locations in the electric field of a positive point charge m. at which location is the electric potential the greatest.

For waves in the ocean, the medium of the waves is a. air b. water c. energy d. a passing boat