You did 150 joules of work lifting a 75 newton backpack. how high did you life the backpack?

Select the word from the list that best fits the definition classification of most stars on the h-r diagram

Afigure skater is rotating at a rate of 200 revolutions per minute. what is the angular speed, in units of rad/s? 20.9 12000 200 3.33

When the force acting on an object points at least partially in the direction of the motion the work done is considered to be negative