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3 years ago

A truck moves 70 m east, then moves 120 m west, andfinally

Physics

1 answer:

SOVA2 [1]3 years ago

7 0

Answer:

40m (40m east)

Explanation:

The fist move is 70m east, and east is the positive direction so the truck initially is at +70m.

The second move is 120m to the west, since east is the positive direction, west must be the negative direction, this means the truck now is at:

$+70m -120m = -50m$

The third move is 90m to the east, again, this is the positive direction, so the new position is:

$-50m + 90m = +40m.$

The truck is at + 40m, so it ended up 40m away from its initial position and this is the resultant dispacement.

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Answer:

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3 years ago

In an experiment designed to measure the Earth's magnetic field using the Hall effect, a copper bar 0.550 cm thick is positioned

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Answer:

$B= 4.197*10^-5T$

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3 years ago

Help me please

agasfer [191]

Answer:

For a velocity versus time graph how do you know what the velocity is at a certain time?

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3 years ago

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Answer:

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