What information does the color of a star tell you? ?

Free runners jump long distances and land on the ground or a wall. how do they apply newton’s second law to lessen the force of impact?

What is the temperature in degrees celsius of a substance with a tempature of 49k

Match the words or actions and their definition. 1. the rate of doing work 2. a machine that changes motion 3. the force that is used to generate electricity 4. 550 foot-pounds per second 5. the force that makes things fall toward the earth 6. work in > work out 7. metric measurement of work 8. the product of force times distance water falling from a dam newton-meter gravity work windmill power the work principle 1 horsepower