You and friend run up a fight of stairs that is 30 m high. Both of you reach the top in 12 seconds. Your weight is 570 N and your friend weights 620 N. Which of you has more power? Show all work

A basketball referee tosses the ball straight up for the starting tip-off. at what velocity (in m/s) must a basketball player leave the ground to rise 1.23 m above the floor in an attempt to get the ball?

If two pendula have the same length but one has a 2 pound weight on its end while the other has only a 1 pound weight which will have the longer period

Which is the best example of force acting in the same direction

If an object has a density greater than the liquid in which it is placed, I predict that it will:

Which planets have the largest accelerations of gravity? a. Mercury, Venus, Earth c. Pluto, Venus, Jupiter b. Jupiter, Neptune, Saturn d. All planets have the same acceleration of gravity.

The 3.00 kg cube in fig. 15-47 has edge lengths d 6.00 cm and is mounted on an axle through its center. a spring (k 1200 n/m con - nects the cube's upper corner to a rigid wall. initially the spring is at its rest length.

A freight train traveling with a velocity of - 4. o m/s begins backing into a train yard. if the train's average acceleration is - 0.27 m/s^2 what is the trains velocity after 17s

How can we describe an atom

What is the volume of a gold nugget that weight 2.20kg. the density of gold is 19g/cm^3 ... ?

Explain how newton's first law of motion can be considered to be a consequence of newton's second law.