The element hydrogen is made up of which kind (s) of atoms? Select one: a. only hydrogen atoms b. more oxygen atoms than hydrogen atoms c. more hydrogen atoms than oxygen atoms d. only oxygen atoms

Which of the following correctly describes isotopes of the same element? A. Atoms that have the same number of neutrons but a different number of electrons B. Atoms that have the same number of protons but a different number of neutrons. C.

A mountain climber packs too much gear and finds it difficult to reach the summit before a storm blows in. How does this scenario demonstrate Newton's law

1. On a hot summer day in the state of Washington while kayaking, I saw several swimmers jump from a railroad bridge into the Snohomish River below. The swimmers stepped off the bridge, and they hit the water 1.59 s later. How high was the bridge? 2.

A force of 29.0 N is used to lift a baby through a distance of. 500 m. How much work is done to the baby?

The equation for the Doppler shift of a sound wave of speed v, reaching a moving detector, is where vd is the speed of the detector; vs is the speed of the source; f is the frequency of the source; f' is the frequency at the detector.

The force supplied by a spring depends on what?

What happens after the Gulf Stream travels north? It cools and flows away from the pole, causing cooler climates farther south. It circles the poles, becoming ice. It crashes with incoming warm water.

A crane lifts a 35,00-N steel grinder a distance of 25m in 45s. How much power did the crane require to life the grinder? Write your answer in Kilowatts.

An example of objects the move in revolution

How many hops does a kangoroo do in 1 day