A firefighter of mass 51 kg slides down a vertical pole with an acceleration of 4 m/s 2 . The acceleration of gravity is 10 m/s 2 . What is the friction force that acts on him

Which diagram correctly demonstrates the various forces acting on a ball moving horizontally with some speed?

Which of the following is not a transverse wave? a) soundb) lightc) radiod) all of thesee) none of these

You want to lose weight and have been trying to decide which type of fad diet is best for you. you ask your doctor, who responds that a. fad diets are a temporary fix but generally don't have any side effects b. fad diets can be used several times a year to maintain a healthy weight c. fad diets can be risky for your health and, in the long run, do not work d. fad diets should never be used one right after the other; there should be a break between them select the best answer from the choices provided. a b c d