About how long ago did our solar system form? 3.8 billion years ago 4.6 billion years ago 5 billion years ago 13.7 billion years ago

Which uses more electricity a 1700 w hair dryer or a 1200 w microwave: both running for 5 minutes?

Are fossil fuels used to produce plastics?

In which situation would a space probe most likely experience centripetal acceleration? as it revolves around a planet as it flies straight past a moon as it is pulled in a line toward the Sun as it lifts off from Earth

Suppose you hit a 0.058-kg tennis ball so that the ball then moves with an acceleration of 10 m/s2. If you were to hit a basketball of mass 0.58 kg with the same force, what would the acceleration a of the basketball be?

Which of the following statements about electrons is FALSE? Group of answer choices the closer an electron is to the nucleus, the more strongly the electron is attracted to the nucleus and therefore the more potential energy the electron has

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.