# The velocity of a truck changes form 3 m/s to 5 m/s in 5s. What is the acceleration in m/s^2?

Category: QuestionsThe velocity of a truck changes form 3 m/s to 5 m/s in 5s. What is the acceleration in m/s^2?
Editor">Editor Staff asked 1 year ago

The velocity of a truck changes form 3 m/s to 5 m/s in 5s. What is the acceleration in m/s^2?

(a) 0.4

(b) 0.5

(c) 4.0

(d) 5.0

The question was asked in an online quiz.

I’d like to ask this question from Motion in a Straight Line in chapter Motion in a Straight Line of Physics – Class 11
Select the correct answer from above options
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Editor">Editor Staff answered 1 year ago

Right choice is (b) 0.5

Easiest explanation: Acceleration is the rate of change of velocity. Here, the velocity changes form 3 m/s to 5 m/s in 5s. Hence, acceleration = (5-3)/5 = 0.4 m/s^2.

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