5. The acceleration of a body of mass 5 kg pulled on a horizontal surface by a force of 70 N when the coefficient of kinetic friction is 0.4 is...
A. 19.6 m/s?
B. 50.4 m/s?
C. 10.1 m/s?
D. 14.0 m/s2​

Immediately upon reaching its lowest point, a falling pendulum bob has its greatest amount of energy, which is the initial amount of potential energy. a. heat; less than b. heat; more than c. kinetic; less than d. kinetic; more than

True or false graphs must include scales that increase by the same amount

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.