Question

please help me . because it question in my exam. so please jldbaji mt krna​

Answer 1

Answer:

1. True

S.I. unit of position vector of centre of mass is metre 'm'.

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2. True

Linear momentum of a body is a vector quantity as it has both direction and magnitude.

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3. True

Cross product of two vectors is not commutative

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4. True

The escape velocity of a product depends on its mass.

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5. False

It is directly proportional.

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Answer 2

Answer:

1.True

2.True

3.True

4.True

5.False