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A body of mass $m = 3.513 kg$ is moving along the X-axis with a speed of $5.00 {ms}^{- 1}$ . The magnitude of its momentum is recorded as

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17.6 kg-ms-1

17.565 kg-ms-1

17.56 kg-ms-1

17.57 kg-ms-1

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detailed solution

Correct option is A

Momentum, p=mv=3.513×5.00=17.565 kg-ms-1As the number of significant digits in m is 4 and v is 3, so p must have 3 (minimum) significant digits. Hence,p=17.6 kg-ms-1

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A body of mass m=3.513 kg is moving along the X-axis with a speed of 5.00 ms-1. The magnitude of its momentum is recorded as

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Ready to Test Your Skills?

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A body of mass $m = 3.513 kg$ is moving along the X-axis with a speed of $5.00 {ms}^{- 1}$ . The magnitude of its momentum is recorded as