Question #6417185Single Choice

Physics

Question

A dog runs with an initial speed of 7.5 m/s on a waxed floor. It slides to a stop in 15 seconds.  What is the acceleration?

Options

A
    -5 m/s2
B
    -7.5 m/s2
C
    -0.5 m/s2
D
    -0.5 mi//hr2

Answer & Analysis