1. your friend is bragging about his motorcycle. he claims that it can go from a stopped position to 50 miles per hour in three seconds. he is describing the motorcycle's (1 point)

speed.

acceleration.

velocity.

direction.

Standing side by side ,you and a friend step off a bridge at different times and fall for 1.6s to the water below.your friend goes first,and you follow after he has dropped a distance of 2.0m.when your friend hits the water,is the seperation between the two of you 2.0m or more than 2.0m? verify your answer with a calculation.

Explain how the energy of rubber ball is tranforned as it roll down a ramp. give evidence that the energy of the og the ball remains the same at all points on the ramp

=force × distance a. work b. velocity c. pressure d. momentum