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lutik1710 [3]
3 years ago
9

12. A car is travelling at 30 m/s when the driver sees a red light in the distance and immediately applies the brakes. The car c

omes to a stop 1.5 s later. How far did the car move from the time the driver applied the brake to when it came to a stop?​
Physics
1 answer:
Triss [41]3 years ago
4 0

Answer:

22.5 m

Explanation:

From the question given above, the following data were obtained:

Initial velocity (u) = 30 m/s

Time (t) = 1.5 s

Final velocity (v) = 0 m/s

Distance (s) =?

The distance to which the car move before stopping from the time the driver applied the brake can be obtained as follow:

s = (u + v)t/2

s = (30 + 0)1.5 / 2

s = (30 × 1.5) / 2

s = 45 / 2

s = 22.5 m

Thus, the car will move to a distance of 22.5 m before stopping from the time the driver applied the brake.

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