What is an object's change in position, or displacement, and the change in time over which that displacement occurred used to calculate?
a. average velocity
b. inertia
c. average force
d. force of gravity

There are two-speed cameras, one in an are where the speed limit is 30 km/h and another where the speed limit is 50 km/h. in which will there be a smaller time interval between the photographs? explain your answer.

Abookcase has a mass of 38 kg and the coefficient of friction between it and the floor is 0.82 what is the maximum force of friction between the bookcase and the floor a 372n b 305n c 412n d 449n

Aball horizontally thrown from a cliff at 8m/s