What is the change in potential energy if the distance separating the electron and proton is increased to 1.0 nmnm? Express the answer in joules to three significant figures.

Three less than three times a number is 5/6. What is one more than twice the number

The are of a paraleelogram is 150 square meter. The height of the parallelogram is 15 meters. What is the lenht of the parallelogram?

Find the sum. Do not round. 39.882 + 11.03 =

Determine whether the sequence 0.25, 1,4,16,64, ... is geometric

Minus 7X minus 2Y equals 14 and 6X plus 6Y equals 18 with a graph

Solve 2x2 + 16x + 50 = 0.

Leo the rabbit is climbing up a flight of 10 steps. Leo can only hop up 1 or 2 steps each time he hops. he never hops down, only up. how many different ways can leo hop up the stairs?

All real numbers less than 0 or greater than 3

How does the graph of y = sec (x + 3) - 7 compare with the graph of y = sec (x) ?

A cone has a volume of 108 pi and a base diameter of 12. What is the height of the cone?