If two objects are moved farther apart, the force of gravity between them will

1. decrease

2. increase

3. not change

4. cease to exist

A researcher studying the nutritional value of a new candy places a 6.60 g 6.60 g sample of the candy inside a bomb calorimeter and combusts it in excess oxygen. The observed temperature increase is 2.46 ∘ C. 2.46 ∘C.

Moving 4.0 coulombs of charge through a circuit requires 48 joules of electric energy. What is the potential difference across this circuit? (1) 190 V (3) 12 V (2) 48 V (4) 4.0 V

A scuba diver can be endangered by the bends explain how the effects of pressure on the solubility of gases is related to this condition

Which scientist described the existence of the neutron

Compare salt marshes and mangrove forests and explain why mangrove forests are such critical habitats on high energy coasts.

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.