Question

A learner is studying the constant accelaration of three different cars and gets the following results:
Car A changes its speed from 10 m/s to 30m/s in a time interval of 2s
Car B changes its speed from 10 m/s to 40m/s in a time interval of 3s
Car C changes its speed from 10 m/s to 50m/s in a time interval of 4s
which of the following gives the correct relationship about the acceleration of the three cars?
A.acceleration of Car A=acceleration of Car B=acceleration of Car C
B.acceleration of Car A>acceleration of Car B=acceleration of Car C
C.acceleration of Car A D.acceleration of Car A

Answer 1

(b) is the answer OK

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Answer 2

B. Acceleration of Car A>acceleration of Car B=acceleration of Car C.

Since learner is studying the constant acceleration of three different cars and gets the following results that includes the Car A changes its speed from 10 m/s to 30m/s in a time interval of 2s Car B changes its speed from 10 m/s to 40m/s in a time interval of 3s Car C