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quester [9]
2 years ago
6

a car decelerates at a rate of 2.0 m/s^2 and comes to a complete stop after traveling 25 m. What was the speed of the car right

before declaration?
Physics
1 answer:
cricket20 [7]2 years ago
8 0

Answer:

{v}^{2}  =  {u}^{2}  + 2as \\  {0}^{2}  = {u}^{2}  + 2 (- 2)(25) \\  {u}^{2} = 100 \\  \therefore \: u = 10 \: m .{s}^{ - 1}

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