A hailstone traveling with a velocity of 43 meters/second comes to a virtual stop 0.28 seconds after hitting water. What is the magnitude of its acceleration in the water?

Select one of the options below as your answer:

A.
12 meters/second2

B.
1.5 × 102 meters/second2

C.
78.6 meters/second2

D.
6.5 × 10-3 meters/second2

Question

A hailstone traveling with a velocity of 43 meters/second comes to a virtual stop 0.28 seconds after hitting water. What is the magnitude of its acceleration in the water?

Select one of the options below as your answer:
 


A. 
12 meters/second2




B. 
1.5 × 102 meters/second2




C. 
78.6 meters/second2




D. 
6.5 × 10-3 meters/second2

souvik · Answer

(initial velocity-final velocity)/time

souvik · Answer

(43-0)/0.28