2 years ago

If momentum is conserved, what happened to velocity when mass changes?

1 answer:

5 0

Explanation:

The momentum of an object is given in terms of its mass and its velocity. The law of conservation of momentum says that the net momentum of a system remains conserved for an isolated system.

Momentum is given by :

p = m × v

If p is conserved, velocity is inversely proportional to the mass of an object. When mass changes, velocity also changes but inversely.

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3 years ago

What mass will accelerate at 3 m/s² when a net force of 150 N acts on it?

vodomira [7]

Answer:

$\huge\boxed{\sf m = 50\ kg}$

Explanation:

<h3><u>Given data:</u></h3>

Acceleration = a = 3 m/s²

Force = F = 150 N

<h3><u>Required:</u></h3>

Mass = m = ?

<h3><u>Formula:</u></h3>

F = ma

<h3><u>Solution:</u></h3>

Put the givens in the formula

150 = m (3)

Divide 3 to both sides

150/3 = m

50 kg = m

m = 50 kg

$\rule[225]{225}{2}$

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