Question

The velocity of a moving object is determined to be 72 km/hr. If mass of object is 10 kg, momentum of object is equal to : * 1 point 720 kg m/s 180 kg m/s 200 kg m/s 4 kg m/s

Answer 1

Answer:

If mass of object is 10 kg, momentum of objectkg, momentum of object is equal to : 1 point 720 kg m/s 180 kg m/s 200 kg m/s 4 kg m/s.

Explanation:

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Answer 2

Answer:

Mass of object, m = 10 kg

Velocity of object, v = 72 km/hr = 72 * (1000/3600) m/s = 20 m/s

[1 km = 1000 m; 1 hr = 3600 sec]

Momentum, p = mv = 10 * 20 = 200 kg m/s

The momentum of object is equal to 200 kg m/s

Extra Information:

Momentum =>

1. Momentum is generally the product of mass and velocity of an object.

2. SI unit of momentum is kg m/s.

3. Dimension formula of momentum is [M][L][T]⁻¹

4. Momentum is a vector quantity which means it has both magnitude and direction.

5. Momentum is sometimes also called as linear momentum, translational momentum.

6. Momentum is a conserved quantity.