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Elena L [17]
4 years ago
8

The actual mechanical advantage of a machine

Physics
1 answer:
amm18124 years ago
7 0

D, is less than the ideal mechanical advantage of the machine:)

Hope this helps!

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Which gas in Earth's atmosphere has increased over time due to burning fossil fuels?
astraxan [27]
The answer is Carbon Dioxide
4 0
3 years ago
Read 2 more answers
If planet A is three times as far from planet C, then the period of its orbit will be __ times as long
liubo4ka [24]
I may be wrong, but I think you're trying to say that Planet-A is
<em>3 times as far from the sun</em> as Planet-C is.

If that's the real question, then the answer is that the period of Orbit-A
is about<em>  5.2</em>  times as long as the period of Orbit-C .

Orbital period ≈ (proportional to) (the orbital distance) ^ 3/2 power.

This was empirically demonstrated about 350 years ago by Johannes
and his brilliant Kepple, and derived about 100 years later by Newton
from his formula for the forces of gravity.


6 0
3 years ago
The image above shows a raging mountain river in full flood. What do you think is making the water brown in color?
MariettaO [177]

Answer:

FloodPlains

Explanation:

The floodplains mix with the dirt in the water in which then makes it brown. You're welcome:)

4 0
3 years ago
What is the rarefaction of a longitudinal
Softa [21]
The answer Is B! Good luck
8 0
3 years ago
At what speed must a 0.6 kg stone be thrown in order that it has a relativistic mass of 0.76 kg? (c = 3.00 x 10^8 m/s) (A) 0.39
exis [7]

Explanation:

It is given that,

Relativistic Mass of the stone, m₀ = 0.6

Mass, m=0.76\ kg

Relativistic mass is given by :

m=\dfrac{m_o}{\sqrt{1-\dfrac{v^2}{c^2}}}.........(1)

Where

c is the speed of light

On rearranging equation (1) we get :

v^2=c^2(1-(\dfrac{m_o}{m})^2)

v=c\sqrt{ (1-(\dfrac{m_o}{m})^2)}

v=c\sqrt{ (1-(\dfrac{0.6}{0.76})^2)}

v = 0.61378 c

or

v = 0.6138 c

So, the correct option is (c). Hence, this is the required solution.

8 0
3 years ago
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