A 2.00 g coin, which has zero potential energy at the surface, is dropped into a 10.0 m well. after the coin comes to a stop in the mud, what is its potential energy with respect to the surface?

Eli rolled a ball down the cement sidewalk as hard as he could. The ball rolled for less than a minute before it came to a stop. What force acted to slow and finally stop the ball? A.

Which units are used to express sound intensity? Decibels Hertz Volts Amperes

How many neutrons does Krypton (Kr) have?

Heat causes water molecules to expand

A ball is projected vertically upwards with an initial velocity of 'u', goes to a maximum height of 'h' before coming to the ground. What is the value of 'h'?

Consider this statement: Air is matter. Which facts best support the statement? A. Balloons can be filled with air. B. Air is essential for life to exist. C. Air has mass. D. Air is not an element. E. To float on air is to be happy. F.

Hydroelectric power uses: wind water coal the sun

Two lightweight metal spheres are suspended near each other from insulating threads. One sphere has a net charge; the other sphere has no net charge. The spheres will: A. Attract each other B. Exert no electrostatic force on each other C.

Read the given list of organisms. squirrel, zebra, tortoise, rabbit, horse What best describes the role of these five organisms in a food web?

What are the SI units for specific heat capacity