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zalisa [80]
3 years ago
14

Type of pulley that has additional numbers of ropes that help to increase mechanical advantage

Physics
1 answer:
Tema [17]3 years ago
4 0

Type of pulley that has additional numbers of ropes that help to increase mechanical advantage is a: C. Movable pulley

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A balloon is filled with 1500 mL of air at a pressure of 5 atm. What is the pressure of the balloon if the volume is changed to
Eva8 [605]

Answer:

xcfdbrtbfcgctr dsvrd

Explanation:

ds vfg g cd fg

5 0
3 years ago
Brutus, a champion weight lifter, raises 220 kg a distance of 3.10 m. (a) how much work is done by brutus lifting the weights? j
Nana76 [90]
A) work = force * distance 
mass is not a force, weight is, so we have to find the weight of the block. 
Weight = mg 
Weight = (220kg)(9.8) 
Weight = 2156N 
Work = 2156N * 3.10m 
work = 6683.6J 
b) Since he is holding the weights, it's not moving, therefore, he doesn't do any work 
c) The answer is still the same amount of work when he lifted them. 
d) The answer is no since when he let go the weight, he doesn't apply any force to the weight. 
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P = 6683.6J / 2.1s 
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3 0
3 years ago
What is a linguist? in terms of forensic.
nadya68 [22]


It is either a person who studies Linguistics or


a person skilled in foreign languages

5 0
3 years ago
How much charge does a 9.0 v battery transfer from the negative to the positive terminal while doing 45 j of work?
bija089 [108]

Here is your answer

5 coulomb

REASON :

We know that

Potential difference, V= W/q

where, W is work done

and, q is magnitude of charge

Given,

V= 9.0 v and W= 45 J

So,

using above relation, we get

9= 45/q

q= 45/9

q= 5 coulomb

HOPE IT IS USEFUL

6 0
3 years ago
A 426.7 Hz tuning fork is resonating in a closed tube on a warm day when the speed of sound is 346 m/s. What is the length of th
Arturiano [62]

Answer:

The length of the closed tube is<u> </u>

<u>0.81 m</u>

Explanation:

Formula used :

Speed = wavelength\times frequency

v = \lambda \times \nu

Speed = v = 346 m/s

\nu = 426.7 Hz

346 = \lambda \times 426.7

\lambda = \frac{326}{426.7}

wavelength = 0.81 m

5 0
3 years ago
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