The moon has a mass of 7.35 e 22 kg and is located 3.84 e 8 meters from the earth. if ellen, an earthling, has a mass of 47 kg, what is the gravitational force between ellen and the moon?

Consider an electron that is 10^-10 m from an alpha particle (q = + 3.2 times 10^-19 C). (a) What is the electric field due to the alpha particle at the location of the electron?

Nuclear reactions in a reactor produce a lot of thermal energy. That energy then flows and warms up water, which boils and produces steam. The steam then turns turbines that generate electricity.

Imagine you want to get 1 kcal of energy from a cow. How much energy would the cow need to get from plants? Why?

When creating any map, what four basic elements should you include?

A rabbit gives birth to young rabbits. A plant forms new seeds. A one-celled organism divides to make another organism. Which characteristic of life do these activities demonstrate? A. reproduction B. growth C. response to stimuli D. metabolism

If you walk at 2 m/s in a perfect circle, what is changing? choices: a. speed b. mass c. volume d. velocity

Where is our sun located in the milky way answers?

When a person is making cardiovascular gains through aerobic activity, they are increasing what to the lungs and heart?

If an object experiences a leftward net force, then it will accelerate in which direction? rightward leftward there will be no acceleration

To calculate the ideal mechanical advantage of a lever divide the input arm by the