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Butoxors [25]
2 years ago
11

Fill in the blank. When using a wrench if you double the length of the wrench (effort arm), you have ______ the required force t

o do the same amount of work.
Quartered

tripled

doubled

halved
Physics
1 answer:
OlgaM077 [116]2 years ago
8 0

Answer:

halved

Explanation:

the formula

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3 years ago
A 0.600 m long pendulum is used to determine the acceleration due to gravity on a distant plane. If 20 oscillations are complete
katrin2010 [14]

Answer:

7.50 m/s^2

Explanation:

The period of a pendulum is given by:

T=2\pi \sqrt{\frac{L}{g}} (1)

where

L = 0.600 m is the length of the pendulum

g = ? is the acceleration due to gravity


In this problem, we can find the period T. In fact, the frequency is equal to the number of oscillations per second, so:

f=\frac{N}{t}=\frac{20}{35.5 s}=0.563 Hz

And the period is the reciprocal of the frequency:

T=\frac{1}{f}=\frac{1}{0.563 Hz}=1.776 s

And by using this into eq.(1), we can find the value of g:

g=\frac{4 \pi^2 L}{T^2}=\frac{4 \pi^2 (0.600 m)}{(1.776 s)^2}=7.50 m/s^2

6 0
3 years ago
What are you calculating when forces are added together
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Answer:A

Explanation:

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3 years ago
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Answer:

No, it's not there.

Explanation:

For a machine to be 100% efficient, it has to be with an output which is equal to its input. But machines have an out put less than an input, hence efficiency below 100%.

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Which characteristic must a food have to receive a “natural” label from the FDA ?
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No artificial ingredients
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