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Svetach [21]
3 years ago
14

Muscles that are fatigued ____. A. Are injured , B. Should always be rested , C. Can sometimes be exercised further D. Should be

stretched
Physics
2 answers:
Lorico [155]3 years ago
5 0

Answer:

<u>B. Should be rested</u>

Explanation:

That is the only reasonable answer.

Anestetic [448]3 years ago
4 0

Answer:

d

Explanation:

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What is the total capacitance in units of mF, of the two capacitors connected in series, as shown in the diagram, when C1 = 45 m
elena-14-01-66 [18.8K]

Answer:

16.7 mF

Explanation:

The total capacitance of two capacitors connected in series is given by the formula:

\frac{1}{C}=\frac{1}{C_1}+\frac{1}{C_2}

in our problem, we have:

C1 = 45 mF is the capacitance of the first capacitor

C2 = 26 mF is the capacitance of the second capacitor

Substituting into the equation, we find:

\frac{1}{C}=\frac{1}{45 mF}+\frac{1}{26 mF}=0.06 mF^{-1}\\C=\frac{1}{0.06 mF^{-1}}=16.7 mF

7 0
3 years ago
Read 2 more answers
A 22.0-kg child is riding a playground merrygo-round that is rotating at 40.0 rev/min. What centripetal force is exerted if he i
Tems11 [23]

Answer:

F=480.491 N

Explanation:

Given that

mass ,m = 22 kg

Angular speed ω = 40 rev/min

\omega=\dfrac{2\pi \times 40}{60}\ rad/s

ω =4.18 rad/s

The radius  r= 1.25 m

We know that centripetal force is given as

F=m ω² r

Now by putting the values in the above equation we get

F=22\times 4.18^2\times 1.25\ N

F=480.491 N

Therefore the centripetal force on the child will be 480.491 N.

6 0
3 years ago
If the f-number of a camera lens is doubled, say from F4.0 to F8.0, that means the diameter of the lens aperture is
yan [13]

Answer:

The diameter is halved or reduced by a factor of 2

Explanation:

Because

f number = F/D

That is f number is inversely proportional to diameter so if it is doubled diameter is halved

8 0
3 years ago
Which instrument is used to measure heat radiation ?
Anna007 [38]
Geiger counter measures radiation.
6 0
3 years ago
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A recreational therapist at a long term care facility buys 2 bingo games at $27 each, 12 puzzles at $5 each. 14 jars of paint at
ZanzabumX [31]

Heyy! :) I'm Jenna, and Im here to help you on your Math problem!

It says that he/she bought 2 $27 bingo games so thats 27 times 2 which equals:

54

The therapist has 12 puzzles at $5 each so thats 5 times 12 which equals:

60

The therapist has 14 Jars of Paint at $7 each so that 14 x 7 which equals:

98

The therapist has 20 paint brushes at $2 each so thats 20 x 2 which equals

40

and 24 packages of construction paper at $7 each so thats 24 x 7 which equals:

168

To get the final answer of how much money he spent, you'll have to add all of the numbers together.

Answer:

420

7 0
4 years ago
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