A750-newton person stands in an elevator that isaccelerating downward. the upward force of theelevator floor on the person must be(1) equal to 0 n (3) equal to 750 n(2) less than 750 n (4) greater than 750 n

Balloon a has charge q, and identical mass balloon b has charge 10q. you hang them from threads near each other. choose all of the statements with which you agree. check all that apply. a. a and b exert the same magnitude forces on each other. b. the force that a exerts on b is 10 times the force that b exerts on a. c. the angle between the thread supporting a and the vertical is < the angle between the thread supporting b and the vertical. d. the force that a exerts on b is 1/10 the force that b exerts on a.

At what time would the magnitude of the velocity reach 36.00 km/hr

How many astronauts have walked on the moon?