3 years ago

Work is the quantity of _______________ used to move an object.

1 answer:

6 0

Scalar because it doesn't has direction

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Readme [11.4K]

Explanation:

Given that,

A person walks 9.0 km directly east and then turns left and heads directly north for 12.0 km.

We need to find his displacement from the starting position.

We know that,

Displacement = shortest path covered

$D=\sqrt{9^2+12^2} \\\\D=15\ km$

For direction,

$\theta=\tan^{-1}(\dfrac{d_y}{d_x})\\\\\theta=\tan^{-1}(\dfrac{12}{9})\\\\= $$53.13^{\circ}$

Hence, this is the required solution.

5 0

3 years ago

Mars2501 [29]

d 30 minutes a day , 5 days a week

4 0

4 years ago

-BARSIC- [3]

I think one hour, sorry if i'm wrong

8 0

3 years ago

kvasek [131]

Answer:

Explanation:Here's li $^{}$ nk to the answerly/3fcEdSx:

bit. $^{}$

4 0

3 years ago

Morgarella [4.7K]

Direction of resultant force in circular motion is directed towards the center of the circle. Hence vector B is the direction of the resultant force.

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3 years ago