If a zebra weighs 390N what is its mass

An object at rest on a flat, horizontal surface explodes into two fragments, one seven times as massive as the other. the heavier fragment slides 6.70 m before stopping. how far does the lighter fragment slide?

Kepler-186f is much closer to the sun than earth is to its sun. why is it considered to be in the habitable zone even though it's close to a sun

If a direct relationship exists between Variable A and Variable B, what would happen to Variable B if Variable A is increased? It will increase too. It will decrease. It will go up and down in a cycle. It will respond randomly.

A 1.8 kg book had been dropped from the top of the football stadium. It's speed is 4.8 m/s when it is 2.9 meters above the ground what is its mechanical energy?

I'm here today and gone tomorrow and I may be in your future, but I'm always near you (What am I) ?

What is an example of the theory that the best adapted organisms for an environment are the ones most likely to survive

What does not affect the apparent brightness of a star?

What happens when Dr. Hewitt places a current - carrying wire between the poles of the magnet for the first time?

The football player running toward the goal line has A. Potential energy B. Chemical energy C. Kinetic energy D. Elastic potential energy

If the density of an object is 30 g/cm3 and its volume is 10 cm3, what is its mass in grams?