A. 14. If an object moves in the same direction and at a constant speed for 4 hours, which of the following is true?

a. The object's speed changed during the 4 hours.

b. The object's speed and average speed were equal during the entire 4 hours.

c The object accelerated during the 4 hours.

d. The object decelerated during the 4 hours.

Which statements describe the relationship between science and society? check all that apply. science is influenced by the needs of society. science and society are independent. science seeks ways to meet the needs of society. scientists find new ways to address societal concerns. scientists improve existing products.

What kind of simple machine is a catapult?

A200-n force is applied to the foot-operated air pump. the return spring s exerts a 2.6-n·m moment on member oba for this position. determine the corresponding compression force c in the cylinder bd. if the diameter of the piston in the cylinder is 40 mm, estimate the air pressure generated for these conditions. state any assumptions. enter a positive number for the compression force c.