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vladimir2022 [97]
4 years ago
9

Can work done by a force be negativeplzzz help me​

Physics
1 answer:
4vir4ik [10]4 years ago
4 0

Answer:

Yes,

Explanation:

.If the force has a component in the direction opposite to the displacement, the force does negative work.

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Lana71 [14]

Answer:

true

Explanation:

Some factors of heart disease cannot be controlled. A diet rich in high-density lipoproteins (HDLs) can help cleanse and open arteries that are clogged with plaque. Exercise can help prevent heart disease but once you've had a heart attack, it's too late for exercise to help you.

3 0
2 years ago
How was the scientific revolution important to the enlightenment
Margaret [11]

Answer:  The scientific revolution laid the foundations for the Age of Enlightenment, which centered on reason as the primary source of authority and legitimacy, and emphasized the importance of the scientific method.

Explanation:

7 0
3 years ago
How do scientists determine the number of neutrons in an isotope of an atom?
xz_007 [3.2K]
D subtract the atomic number from the atomic mass

N = A - Z
5 0
3 years ago
A climber pulls herself 8 meters upwards with a force of 150 Newtons. If it takes her 16 seconds to cover the 8 meters, how much
mr Goodwill [35]

Answer:

 P = 75 W

Explanation:

given,

Distance, L = 8 m

Force,F = 150 N

Time, t = 16 s

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Work done = Force x displacement

W = F. L

W = 150 x 8

W = 1200 J

We know,

Power =\dfrac{Work\ done}{time}

P =\dfrac{1200}{16}

 P = 75 W

Hence, Power climber is using to climb is equal to 75 W.

3 0
3 years ago
If jack was traveling north 120 miles and it took him 3 hours to get there. what is the velocity that jack was traveling? is thi
Dimas [21]

Answers:

40 mp/h; Vector

Reason:

120/3 is 40 miles per hour.

Velocity is a vector measurement.

^.^

- Amanda

4 0
3 years ago
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