Car R originally covers a distance of 3000 m 3000 \text{ m} 3000 m in 150 s 150 \text{ s} 150 s at a speed of 20 m/s 20 \text{ m/s} 20 m/s . How much ...

Question

Car R originally covers a distance of 3000 m3000 \text{ m} in 150 s150 \text{ s} at a speed of 20 m/s20 \text{ m/s}. How much speed does car R need to gain in order to cover twice the distance in 53\frac{5}{3} of the original time taken?

Options

A.

16 m/s

B.

28 m/s

C.

12 m/s

D.

24 m/s

E.

10 m/s

speeddistancetimeratiospeed increase

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