Car 1 drives 45 mph to the west, and car 2 drives 30 mph to the east. From the frame of reference of car 1, what is the velocity of car 2?

When analyzing the results of a scientific experiment, Kevin should base his conclusion on A. the empirical evidence that was collected in other prior experiments. B. the empirical evidence that is collected during the experiment. C.

The main difference between internal combustion engine and the diesel engine is?

Why does mercury have so little gas in its atmosphere?

If there was an unusually windy month, one might anticipate

A typical, neutrally charged atom has a. just as many electrons as protons. b. no neutrons in the nucleus. c. more protons than electrons. d. as many electrons as protons and neutrons combined. e. at least 1 neutron.

How are mass and weight different? a. Mass is the space an object takes up and weight is the effect of gravity on mass. b. Mass is the amount of matter and weight is the effect of gravity on mass. c.

What were the discoveries of astronomers like Copernicus and Galileo?

A major obstacle to developing good human relations is that

4.) An apartment building is on fire and a guy is trapped on the fire escape ladder. There is a dumpster that is 6.3m away and is filled full of trash, and he is 7m above it.

Calculate the temperature of and power-per-area radiated from a blackbody if the spectral intensity density peaks at (a) gamma rays, λ = 1.50*10-14 m; (b) x rays, 1.50 nm; (c) red light, 640 nm; (d) broadcast television waves, 1.