11.1 Linear Motion - Set 1 Quiz

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The diagram shows a tape which is pulled through a ticker timer, with a direction of motion to the right.

Source: betterlesson.com

Which of the following velocity is correct referring to the tape?

Difficulty Level: Hard

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A student ran a \(200\space\text{m}\) race in \(30\) seconds.

What is his average velocity?

(A) \(6.67 \space \text{m s}^{-1}\)

(B) \(7.02 \space \text{m s}^{-1}\)

(D) \(9.32\space \text{m s}^{-1}\)

Difficulty Level: Medium

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Natasha rides a motorcycle for \(6\space000\space \text{m}\) in \(240\space \text{s}\).

What is her speed?

(A) \(40\space \text{m s}^{-1}\)

(B) \(32\space \text{m s}^{-1}\)

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

Difficulty Level: Medium

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A bus accelerates uniformly from a velocity of \(20\space \text {m s}^{-1}\) to \(120\space \text {m s}^{-1}\) in \(40\) seconds.

What is the acceleration of the bus?

(A) \(2.5\space \text {m s}^{-2}\)

(B) \(3.4\space \text {m s}^{-2}\)

(D) \(9.0\space \text {m s}^{-2}\)

Difficulty Level: Hard

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Sanjevi pedals his bicycle \(500 \space\text{m}\) from his house to Amir's house.

Sanjevi takes \(50\) seconds to arrive at Amir's house.

How fast does Sanjevi pedals his bicycle?

(A) \(100 \space\text{m s}^{-1}\)

(B) \(50\space\text{m s}^{-1}\)

(D) \(10 \space\text{m s}^{-1}\)

Difficulty Level: Easy