A system in which No matter or energy can enter or exit from the surroundings

(matter and energy cannot enter or exit).

What is the potential difference across a resistor that dissipates 5.00 w of power and has a current of 5.0 a?

1 - You are visiting planet Xena and you find that a 3.3 kg rock falls 14.2 meters in 1.811 seconds when dropped from rest. Calculate the strength of the gravitational field on the surface of Xena. 2 - If Xena has a radius of 1.

experiment was performed on a 2-kg block. Forces of 5, 10 and 15 Newtons respectively were applied to the block for 5 seconds. Describe the difference in acceleration between the three trials. A) The final accelerations will all be the same.

A boy rides his bike 15m due east and then 33m due north. Find his displacement

Based on the Punnett square, what percentage of offspring would have genotype YY? 0% 25% 50% 100%

Why do we use average force while solving momentum problems? How is net force related to the momentum of the object?

If you had a positive 8 score on the sit-an-reach test you

65 million years ago there was a mass extinction that is best known for killing the dinosaurs. There was also a large deposit of dust that contained substances only found in asteroids.

Near which location in New York State would a geologist have the greatest chance of finding dinosaur footprints in the surface bedrock?

E=mc^2 solve for c E/m m/E sqrt (E/m) sqrt (m/E) E - m sqrt (E-m)