An ostrich can run 10 kilometers in 15 minutes. What is it's speed in kilometers per hour.

Why would it probably be very difficult to determine the chemical and physical properties of a newly discovered synthetic element? a. The element would not fit in the periodic table. b. The element's nuclei would break apart very quickly. c.

In midair in the international space station a 1 kg chunk of putty moving at 1 m/s collides with and sticks to a 5 kg chunk of putty initially at rest. at what speed does the 6 kg chunk travel after the collision?

When combustion reactions occur inside a rocket's engine, a lot of heat and pressure are released. the pressure gradient is much larger inside the rocket than outside, which causes the gaseous products to rush out of the rocket.

Hair can be used to measure humidity. a. True b. False

A sample of an unknown gas (gas A) has a volume of 3.2 m3 at a temperature of 10 degrees C. Another sample of an unknown gas (gas B) has a volume of 4.5 m3 at a temperature of 250 degrees C.

Which substance might lead to potentially addiction if abuse

A body of mass 2kg is thrown up with a speed of 25m/s. Find its maximum potential energy.

Chang wants to build a circuit that will light up the bulb from a flashlight. Which component could Chang leave out and still light up the bulb? the switch the battery the wire the light bulb

Waves arriving at a fixed boundary are a. neither reflected nor inverted. c. reflected and inverted. b. reflected but not inverted. d. inverted but not reflected.

Two children are throwing a ball back and forth to each other aboard a rapidly moving cruise ship. The observer who is in the BEST frame of reference to accurately decide which child is throwing the ball harder is A) standing on the shore.