The force of gravity decreases as the ___ between the masses increases

The distance between the sun and earth is about 1.5*10^11m. express this distance with an SI prefix and in kilometer

Mass is the weight of an object

What is an example of a chemical change that occurs as part of the rock cycle A) lava cools and condenses on the Earths surface B) sedimentary rocks are worn away by water erosion C) igneous rocks are cracked and broken into smaller pieces by

Why doesn't the Leaning Tower of Pisa fall over?

A pair of oppositely charged parallel plates is separated by 5.38 mm. A potential difference of 623 V exists between the plates. What is the strength of the electric field between the plates? The fundamental charge is 1.602 * 10-19.

Describe two changes of state that releases energy

A student is trying to determine if a solution is acidic or basic. She does not have any litmus paper. Which would she most likely use to get a reading on her solution? vinegar soap cabbage juice aquarium water

How many grams of ice at 0°c will melt if 1.50 kj of heat are added? (the molar heat of fusion of water is 6.01 kj/mol.) 4.49 g 12.0 g 7.51 g 2.99 g?

Describe two ways of detecting black holes in space.

Part D What is the electric potential energy of an electron at the negative end of the cable, relative to the positive end of the cable?