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Likurg_2 [28]
3 years ago
12

Como se realiza la salida baja en el atletismo?

Physics
1 answer:
goldfiish [28.3K]3 years ago
8 0

Answer:

Honestamente yo no se cual es la pregunta que escribiste

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Which best describes the act of using senses or tools to gather information
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Answer:

The act of using senses or tools to gather information is called <em>Obser</em><em>vation</em><em>.</em>

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A flashlight converts?
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Answer:

Energy conversion in flashlight.

Explanation:

When the switch of a flashlight is on, then the batteries inside them will be connected in a circuit and chemical energy from the batteries will be converted into electrical energy and then the electrical energy will be converted into light energy.

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How many nanoseconds does it take light to travel 3.50 ft in vacuum?
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In this case, you are asked the time and given the light distance(3.5ft)
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6 0
3 years ago
Need help solving this question.
MatroZZZ [7]

Answer:

See the answers below.

Explanation:

to solve this problem we must make a free body diagram, with the forces acting on the metal rod.

i)

The center of gravity of the rod is concentrated in half the distance, that is, from the end of the bar to the center there is 40 [cm]. This can be seen in the attached free body diagram.

We have only two equilibrium equations, a summation of forces on the Y-axis equal to zero, and a summation of moments on any point equal to zero.

For the summation of forces we will take the forces upwards as positive and the negative forces downwards.

ΣF = 0

-15+T-W=0\\T-W=15

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ii) In the free body diagram we can see that the force acts at 18 [cm] of the string.

ΣM = 0

(15*9) - (18*W) = 0\\135 = 18*W\\W = 7.5 [N]

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3 years ago
A force of 660 n stretches a certain spring a distance of 0.300 m. what is the potential energy of the spring when a 70.0 kg mas
kkurt [141]
A force of 660 n stretches a certain spring a distance of 0.300 m. what is the potential energy of the spring when a 70.0 kg mass hangs vertically from it?
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