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1 point How fast does a 400 kg car have to move to have a momentum of 800 kgm/s?
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1 point
How fast does a 400 kg car have to move to have a momentum of 800
kgm/s?

User Angelita
by
5.3k points

1 Answer

5 votes

Answer:

2m/s

Step-by-step explanation:

Given parameters:

Mass of car = 400kg

Momentum = 800kgm/s

Unknown:

Speed of the car = ?

Solution:

The momentum of a car is amount of motion it posses;

momentum = mass x velocity

Insert the parameters and solve;

800 = 400 x v

v = 2m/s

User Brian Jimdar
by
5.2k points
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