EVERYDAY SCIENCE

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SCIENCE

PHYSICAL SCIENCES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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?
A
-7.5 m/s
B
-7.5 m/s2
C
-0.5 m/s2
D
7.5 mi//hr
Explanation: 
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