An astronaut weighs 760. N on Earth, what is his mass iCalculate the momentum of a high-speed "bullet train" with a mass of 8.9 X 10^8 kg moving at a speed of 72 m/s going North. Express your answer in standard form. n kg?

According to social exchange theory, altruistic behaviors benefit the individual who performs them.

Acoyote chasing a rabbit is moving 8.00 m/s due east at one moment and 8.80 m/s due south 4.25 s later. let the x axis point due east and the y axis point due north. find the direction of the coyote's average acceleration during that time.

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