Block a is placed on a rough surface inclined at an angle ○ above the horizontal a taut string connects block A over a pulley top block B, which hangs from the string, as shown below. The massrd of blocks a and b are Ma and Mb respectively. The two blocks eventually stop and reverse direction. Which of the following graphs best predicts the acceleration of block a as it moved up and down the rough inclined surface

An isotope undergoes radioactive decay by emitting radiation that has a –1 charge. what other characteristic does the radiation have?

What kind of simple machine is a catapult?

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