A 93 kg zebra is traveling 13 m/s east. What is the zebra's momentum?

a stone is tied to a string and whirled around in a circle at a constant speed. is the string more likely to break when the circle is horizontal or when it is vertical?

What happens during one half-life of a radioactive isotope? A. Half of the sample undergoes radioactive decay. B. Half of the time has passed during which the sample will be radioactive. C. Half of the sample becomes radioactive. D.

An ideal gas is at 29 ∘C. The gas is cooled, reducing the thermal energy by 10.0%. What is the new temp?

Normally, jet engines push air out the back of the engine, resulting in forward thrust, but commercial aircraft often have thrust reversers that can change the direction of the ejected air, sending it forward.

A man punches his fist against a brick wall. Which will have a greater acceleration?

A 50.0-g Super Ball traveling at 25.0 m/s bounces off a brick wall and rebounds at 22.0 m/s. A high-speed camera records this event. If the ball is in contact with the wall for 3.

A heat engine with a thermal efficiency of 45 percent rejects 500 kj/kg of heat. how much heat does it receive

Which was least likely to have been a component of Earth's atmosphere before life began? A-sulfur B-carbon dioxide C-oxygen D-water vapor

Vector A makes equal angles with x, y and z axis. value of its components (in terms of magnitude of vector A will be?

If a 0.200-kilogram ball sits on a shelf 2.00 meters from the floor, how much mechanical energy (me) does it possess?