1) You did 7,500 Joules of work by running up son
power did you exert?
of work by running up some stairs in 2.3 seconds. What Power did you exert?

What is the final velocity of the initial velocity of 25 and -50?

Which of the following statement is false

On mars a rock falls an unknown vertical distance from a resting position and lands in a crater. if it takes the rock 2.5 seconds to fall, how high is the cliff the rock fell from? mars' surface gravity is 3.8 m/s2. a. 9.5 m b. 11.9 m c. 15.2 m d. 23.8 m