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OLga [1]
3 years ago
12

.1. How does the arrangement of a pulley system affect its ideal mechanical advantage​

Physics
1 answer:
lukranit [14]3 years ago
7 0

Answer: In a pulley, the ideal mechanical advantage is equal to the number of rope segments pulling up on the object. The more rope segments that are supporting to do the lifting work, the less pressure that is needed for the job.

Explanation:

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The puddle dries up cause of the radiation from the sun
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Mithun wants to test if a convex lens produces an inverted image of an object placed at a distance away from the lens. Which of
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(D) any of these objects can be used as long as all points on the object lie farther away from the lens than the focal length of the lens.

Points lying between the focal point and the lens will be erect and will not form an object visible on a screen.

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TRUE OR FALSE : Boyle’s law states that, as the pressure of a gas increases, the volume decreases.
sveta [45]

At first glance, this statement seems to be true.  But after about a
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8 0
3 years ago
A proton and an electron in a hydrogen atom are separated on the average by about 5.3 × 10−11 m. What is the magnitude and direc
Genrish500 [490]

Answer:

1. 5.12068 × 1011 N/C away from the proton

Explanation:

The electric field produced by a single point charge is given by:

E=k\frac{q}{r^2}

where

k is the Coulomb's constant

q is the magnitude of the charge

r is the distance from the charge

In this problem, we have:

q=1.6\cdot 10^{-19}C is the charge of the proton

r=5.3\cdot 10^{-11} m is the distance at which we want to calculate the field

k=8.99\cdot 10^9 Nm^2C^{-2} is the Coulomb's constant

Substituting into the formula,

E=(8.99\cdot 10^9 Nm^2C^{-2})\frac{1.6\cdot 10^{-19}C}{(5.3\cdot 10^{-11}m)^2}=5.12068\cdot 10^{11} N/C

And the direction of the electric field produced by a positive charge is away from the charge, so the correct answer is

1. 5.12068 × 1011 N/C away from the proton

4 0
4 years ago
Please help me with this assignment!
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Answer:

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3 years ago
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