2 years ago

Bumper car A (281 kg) moving

1 answer:

4 0

use consevation of linear momentum

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Artemon [7]

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goldfiish [28.3K]

<u>Answer</u>

The combined displacement is 2km north

<u>Explanation</u>

Since displacement is a vector quantity, we take into account the direction.

Good for us all the displacement vectors are in the same dimension, so we can make north positive and south negative or vice-versa.

We now add to obtain,

$4+-2+5+-5$

This will simplify to

$=4-2+5-5=2$

Therefore the combined displacement is 2km north

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The potential energy of any object depends on its mass as well as its height off the ground.

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We don't have enough information to compare the potential energies of these two objects because we don't know their masses.

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