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Two cars are travelling in the same direction, on a motorway. Car A is travelling at 20m/s and Car B is travelling at 30m/s. It takes 30 seconds for Car B to overtake Car A, How much further does car B travel during this time? ( I need the answer and the calculation please ) ​

Respuesta :

skyluke89

Answer:

300 m

Explanation:

For an object travelling with uniform motion (=constant velocity), the distance covered by the object is given by the equation:

[tex]d=vt[/tex]

where

d is the distance covered

v is the speed of the object

t is the time elapsed

In this problem we have:

- For Car A,

v = 20 m/s (speed)

t = 30 s

So the distance covered by car A is

[tex]d_A=vt=(20)(30)=600 m[/tex]

- For car B,

v = 30 m/s

t = 30 s

So the distance covered by car B is

[tex]d_B=vt=(30)(30)=900 m[/tex]

So during this time, the additional distance covered by car B is

[tex]d_B-d_A=900-600=300 m[/tex]

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