2.1 Linear Motion - Set 2 Quiz

2.1 Linear Motion - Set 2

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Which statement is correct when an object is in a stationary condition?

(A)	The velocity is increasing and the object accelerates
(B)	The velocity is decreasing and the object decelerates
(C)	The velocity is zero

Difficulty Level: Easy

2.1 Linear Motion - Set 2

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A sprinter takes \(1 \) minute \(12\) seconds to finish \(400 \space \text m\) track.

Determine the average speed.

(A)		\(3.56 \space \text m \text s^{-1}\)

(B)		\(4.56 \space \text m \text s^{-1}\)

(C)		\(5.56 \space \text m \text s^{-1}\)

(D)		\(6.56 \space \text m \text s^{-1}\)

Difficulty Level: Easy

2.1 Linear Motion - Set 2

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A car which is in a stationary state starts to accelerate with a uniform acceleration of \(8 \space \text {m} \space \text s^{-2}\).

What is the speed of the car after traveling for \(15\) seconds?

(A) \(12 \space \text m \text s^{-1}\)

(B) \(15 \space \text m \text s^{-1}\)

(D) \(150 \space \text m \text s^{-1}\)

Difficulty Level: Easy

2.1 Linear Motion - Set 2

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A car that moves at a constant velocity of \(20 \space \text m \text s^{-1}\) for \(4\) seconds. The last velocity is \(50 \space \text m \text s^{-1}\).

What is the distance traveled by car in \(4\) seconds?

(A) \(110 \space \text m\)

(B) \(120 \space \text m\)

(D) \(140 \space \text m\)

Difficulty Level: Hard

2.1 Linear Motion - Set 2

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An object moving at a velocity of \(20 \space \text m \text s^{-1}\) undergoes a deceleration of \(4 \space \text m \text s^{-2}\) until it stops.

How much time does the object take to stop?

(A) \(3 \space \text s\)

(B) \(5 \space \text s\)

(D) \(10 \space \text s\)

Difficulty Level: Easy