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Maths-

General

Easy

Question

If AB = C; then A, B, C are-

A_2×3,B_3×2, C_2×3
A_3×2,B_2×3, C_3×3
A_3×2,B_2×3, C_3×2
A_3×3,B_2×3, C_3×3

The correct answer is: A_3×2,B_2×3, C_3×3

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The magnitude of I in ampere is

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A cord of length 64 m is used to connect a 100 kg astronaut to a space-ship whose mass is much larger than that of the astronaut. Estimate the value of the tension in the cord. Assume that the space-ship is orbiting near earth surface. Also assume that the space-ship and the astronaut fall on a straight line from the earth’s centre. The radius of the earth is 6400 km.

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