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3 years ago

Ions are atoms of the same element that have a different number of _____________.

Physics

2 answers:

GarryVolchara [31]3 years ago

7 0

The answer you are looking for is C: electrons

Hope this helps you :)

Alex17521 [72]3 years ago

6 0

C, electrons. Ion of an element has the same nucleus, the same number of protons and neutrons, with a different number of electrons.

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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:

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

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olga_2 [115]

Answer:

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Explanation:

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