A 38-kilogram child roller skates on a circular track with a radius of 24 m. Her velocity is 6.0 m/s. How much centripetal force does she experience?

A) 0.16 N

B) 0.38 N

C) 57 N

D) 580 N

Which of the following describes what occurs when energy is transferred and work is being done on an object?

How many chins does danisnotonfire have?

A volleyball player's hand applies a 39 N force while in contact with a volleyball for 2 seconds. What is the impulse on the ball? 20 N • s 37 N • s 41 N • s 78 N • s

A boxer hits a punching bag with a force. Describe what happens. A. Since the punching bag moves, the amount of force applied to the punching bag is greater than the amount of force punching bag applies on the boxer's hand. B.

A survey of 500 college students found that the percentage of students who went without using digital technology for up to 1 hr was 67.

how many kilograms off mercury would fill a 5litre container if the density of mercury is 13.6grams per cm3

Give 2 ways to increase the temperature of gas

The energy associated with motion is called a. kinetic energy. b. elastic potential energy. c. gravitational potential energy. d. nuclear energy.

A closed container is filled with oxygen. the pressure in the container is 425 kpa. what is the pressure in millimeters of mercury? express the pressure numerically in millimeters of mercury.

Which do you think would be warmer on a winter day when there is no wind a thick forest or a grassy field? explain your answer