A ball having a mass of 500 grams is dropped from a height of

9.00 meters. What is its kinetic energy when it hits the ground?

A: 4.4 x 10^3 joules

B: 441 joules

C: 44.1 joules

D: 4.41 joules

Assume 10,000 electrons were transferred from your hair to the balloon. a. What is the charge in Coulombs on the balloon? b. What is the charge in Coulombs on your hair? c.

What Is one of many factors that can determine the rate of alcohol absorption

The potential energy of a book on a shelf is 50 J. If the book is now on the floor (below the shelf), its potential energy is

with how much force does the water push on the diver?

A car travels in a straight line along a road. Its distance x from a stop sign is given as a function of time t by the equation x (t) = 9t^2-8t^3 m. Find the acceleration (in m/s/s) of the car at t = 4.6 s. Give answer with two decimal places.

What is the wavelength of an earthquake wave if it has a speed of 5 km/s and a frequency of 10 Hz?

The gamma ray released by each decay carries 140kev of energy. find the total energy e released by decays in the 2 hours.

Think of the last five things you read. Now think of a type of reading you havent done recenty have never read. What kind of pattern do you see in your reading? What is your favorite type of reading and your least favorite type of reading?

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