Question

a car travelling a speed of 10m/s staps in 4 second after the application of ricks if we assume the retar dation to be constant

Answer 1

Hey Mate ,

Here is the answer ,
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Initial speed(u) = 10 m/s
Final speed(v) = 0 m/s
Time(t) = 4 seconds
Acceleration = v - u 
                           t

                    = 0 - 10 
                           4

                    = -2.5 m/s²
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