Aspeed-time graph shows that a car moves at 20 m/s for 15 s. the car's speed then steadily decreases until it comes to a stop at 40 s. which of the following describes the slope of the speed-time graph from 15 s to 40 s?

Two objects of different mass start from rest, are pulled by the same magnitude net force, and are moved through the same distance. the work done on object 1 is 900 j. after the force has pulled each object, object 1 moves twice as fast as object 2. how much work is done on object 2?

Mechanical energy is when the amount of kinetic and potential energies added together remains the same. conserved created lost

Aball is thrown horizontally from a cliff at 8m/s .in what direction is the ball moving 2s later?