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Ncert solutions

A racing car has a uniform acceleration of 4 m s-2. What distance will it cover in 10 s afterstart?

Given, the car is initially at rest; initial velocity (u) = 0 ms-1

Acceleration (a) = 4 ms-2

Time period (t) = 10 s

As per the second motion equation, 𝑠=𝑢𝑡+12𝑎𝑡2

Therefore, the total distance covered by the car (s) = 0∗10 𝑚+12(4𝑚𝑠−2)(10𝑠)2

= 200 meters

Therefore, the car will cover a distance of 200 meters after 10 seconds

A racing car has a uniform acceleration of 4 m s-2. What distance will it cover in 10 s afterstart?

Given, the car is initially at rest; initial velocity (u) = 0 ms-1

Acceleration (a) = 4 ms-2

Time period (t) = 10 s

As per the second motion equation, 𝑠=𝑢𝑡+12𝑎𝑡2

Therefore, the total distance covered by the car (s) = 0∗10 𝑚+12(4𝑚𝑠−2)(10𝑠)2

= 200 meters

Therefore, the car will cover a distance of 200 meters after 10 seconds

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