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zavuch27 [327]
3 years ago
13

An iron ball and an aluminum ball of mass 100 g each are heated to the same temperature and then cooled to a temperature of 20°

Physics
2 answers:
MrRa [10]3 years ago
7 0

Answer:

The specific heat of aluminum is greater.

Explanation:

It lost the most heat.

zepelin [54]3 years ago
3 0

Answer:

specific heat of aluminium is more than the specific heat of iron

Explanation:

mass of both the balls, m = 100 g

heat lost by iron is 3.6 kJ and the heat lost by aluminium is 7.2 kJ.

The amount of heat required to raise the temperature of substance by 1°C of mass 1 kg is defined as the specific heat of the substance.

Here, the amount of heat required to raise the temperature of aluminium by teh same amount as that of iron and mass remains same, so it means the opecific heat of aluminium is more than the specific heat of iron.

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Select the statement that is not true about the Hubble Telescope:
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Answer:

The option is B is not true for Hubble telescope.

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3 years ago
Two converging lenses are separated by 27.0 cm. The focal length of each lens is 8.90 cm. An object is placed 33.0 cm to the lef
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Answer:

1/i + 1/o = 1/f     thin lens equation

i = 33 * 8.9 / (33 - 8.9) = 12.2 cm  to right of first lens

27 - 12.2 = 14.8 cm to left of second lens

i = 14.8 * 8.9 / (14.8 - 8.9) = 22,3 cm to right of second lens

7 0
2 years ago
jim makes an electromagnet by wrapping a copper wire around a nail and then connecting it to a battery. if he brings the end of
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The nail will have the ability to pull the pile of paperclips in a magnetic field. Meaning the nail will work as if it is a magnet

7 0
3 years ago
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To make a ___________________ , position your car to the right side of the right lane
pashok25 [27]
A right turn would be the answer probably.
8 0
4 years ago
Read 2 more answers
580 nm light shines on a double slit
Helga [31]

Answer:

0.532

Explanation:

Your equation to find the second bright interference maximum is gonna be this: d sin (Θ) = m λ

First, find your variables.

λ = 580 · 10^-9

d = 0.000125

m = 2

Next, fill in the equation.

d sin (θ) = m λ

(0.000125) sin (θ) = (2) (580·10^-9)

Then isolate your variable.

θ = arcsin ( (2)(580·10^-9) / (0.000125) )

Run your equation and you will end up with 0.53171246 , which rounds to 0.532.

The main thing you have to watch out for is make sure you are calculating for the bright interference and not the dark interference, as well as checking you're calculating for the maximum, not the minimum.

I hope this helps :D

5 0
3 years ago
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