A car traveling at a speed of 30.0m/s encounters an emergency and comes to a complete stop how much time will is take for the ca r to stop if it decelerates at 4.0m/s
2 answers:
Answer:
7.5 s
Explanation:
the reason for this is the deceleration is 4.0m/s divide 30.0m/s by 4.0m/s to get 7.5
It will take seven and a half seconds to stop, this is beacuse
v=u+at
∴.0=30−4t
∴t=30/4=7.5s
Hope this helps, have a blessed day! :-)
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