A 45.0 kg ice skater needs a 25 N horizontal force to get moving on a smooth ice surface. What is the coefficient of friction between the ice and the skates?

a. 1.80

c. 0.18

b. 0.057

d. 0.56

Which item is an example of a primary source? A. An academic paper analyzing John F. Kennedy's presidency B. A transcript of a presidential speech C. A textbook about American foreign policy D.

Is the state of maintaining a stable internal environment despite changing external conditions.

A golf club hits a 0.0459 kg golf ball at rest. Afterwards the ball leaves at 63.9 m/s. What impulse was given to the ball? (Unit = kg*m/s)

Henry takes a boat ride for 15 minutes to reach his destination. If the boat was traveling at 6 meters/second, how far did the boat travel?

The type of energy that depends on position is called a. potential energy. b. electrical energy. c. magnetic energy. d. solar energy.

A set of data is collected from a simple circuit with a 20 resistor and is represented in the table

A skydiver of mass m jumps from a hot air balloon and falls a distance d before reaching a terminal velocity of magnitude v. Assume that the magnitude of the acceleration due to gravity is g. a.

8. What happens to force when mass is increased?

Give an example of ionic and covalent bond, and explain and make an example for each.

Which of these is the best reason for proper nutrition? A. To ensure that you will be skinny B. To protect yourself against certain diseases C. To improve your intelligence D. To ensure that you will get good grades