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S_A_V [24]
1 year ago
12

Do the following calculation and express the final answer in

Physics
1 answer:
sammy [17]1 year ago
3 0

Answer:

Explanation:

I got the same thing. So, i don't know but good luck

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3 years ago
Help me with physics.....<br>​due right now
serious [3.7K]

In any case, your mass would be<em> 68 kg </em>no matter what

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2 years ago
Can someone help me?
Alik [6]

Answer:

Resultant = 3.05N

Explanation:

r =  \sqrt{{5}^{2} + 5^{2} - 2(5)(5) \cos(120) }

r =  \sqrt{25 + 25 - 50(0.8142)}

r =  \sqrt{50 - 40.71}  =  \sqrt{9.29}

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6 0
2 years ago
A worker is thinking about two ways to get a box up 1.2 m onto a loading dock. He can use a force of 250 N to lift it straight u
harina [27]

Answer:

<em>The second option has a lower power output. P=30 W</em>

Explanation:

<u>Mechanical Power </u>

It is a physical magnitude that measures the rate a work W is done over time t.

\displaystyle P=\frac{W}{t}

Since W=F.d

\displaystyle P=\frac{F.d}{t}

The first option means the worker will lift the box by a distance of 1.2 meters in 3 seconds by applying 250 N of force. That produces a power of

\displaystyle P=\frac{(250). (1.2)}{3}=100\ Watt

The second option requires the worker applies 75 N of force and travel a distance of 4 meters for 10 seconds, thus the power is

\displaystyle P=\frac{(75). (4)}{10}=30\ Watt

The second option has a lower power output

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3 years ago
The number of flowers on different breeds of bushes in a greenhouse is recorded every week for two months.
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Is there a equation or something so I can do the math of how many flowers there are at the end of the two monthsm

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3 years ago
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