An 20-kg bicycle carrying a girl is traveling at a speed of 7 m/s. What is the kinetic energy of the girl and bicycle? Write formula, plug in numbers, show squared step, give answer with units

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

Ais a machine that makes work easier when a single force is applied. a simple machine b compound machine c endangered machine d complex machine

Does current flow through or across a resistor?