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Elza [17]
3 years ago
14

Buco novia de 15n de edad

Physics
1 answer:
Zigmanuir [339]3 years ago
4 0

Yo tengo quince y soy de cali y estoy viviendo en mexico

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50W of power is generated using 100J of work to move a box onto a shelf. How long did it take to move the box from the floor to
svetoff [14.1K]

Answer: time t = 2 seconds

Explanation:

Given that

Power P = 50W

Energy E = 100J

How long did it take to move the box from the floor to the shelf ? This implies time taken.

Power is defined as the rate at which work is done. I.e

P = W.D/t

Where work done = energy

50 = 100/t

Make t the subject of formula

t = 100/50

t = 2 second

5 0
3 years ago
The __________ of exercise determines the health and fitness benefit of the exercise. A. frequency B. intensity C. time D. type
MariettaO [177]

Answer:

c- Time

Explanation:

The time will tell depending on the person who is exercising, the rate of time, the  workout time. & limits on weights....

6 0
3 years ago
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A wave carries _____ from one place to another <br><br> Mechanical waves carry energy through ______
gulaghasi [49]

A wave carries <u>energy</u><u> </u>from one place to another.

mechanical waves carry energy through <u>MEDIUM</u><u>.</u>

<u>SO</u><u> </u><u>THIS</u><u> </u><u>IS</u><u> </u><u>MY</u><u> </u><u>ANSWER</u>

7 0
3 years ago
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What is the power through a device with a resistance of 100 ohms if a current of 8 A is running through it?
Kazeer [188]

Answer:

6400 W (or) 6.4 KW

Explanation:

Formula we use,

→ P = I²R

Let's solve for the power of device,

→ P = I²R

→ P = (8)² × 100

→ P = 64 × 100

→ [ P = 6400 W ]

Hence, the power is 6400 W.

5 0
2 years ago
An investigation involves determining which metal is better for making pots that will cook food faster. Which is the best hypoth
irina [24]
Because the specific metals aren’t mentioned in this inquiry. The educational guesses that we can propose is that:
<span><span>1.    </span>The hypothetical inquiry: There are existing metals for making pots that will cook food much faster.</span>

<span><span>2.    </span>The one-tailed alternative hypothesis: There are other metals for making pots that will cook food much faster than the other metals.</span> <span><span>
3.    </span>The one-tailed null hypothesis: All metals that are used in making pots will cook food at an equal rate.</span>



8 0
3 years ago
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