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mash [69]
4 years ago
12

What is the temperature at which a solid melts?

Physics
1 answer:
Diano4ka-milaya [45]4 years ago
3 0
Generally speaking, solid turns to a liquid at it's melting point. Ice turns to water at 0 degrees Celcius. Chocolate melts at 25 degrees Celcius-Yum! Ice (solid) thaws when the temperature rises above 32 degrees Fahrenheit, becoming water (liquid). Other solids (oddly) vary. your welcome
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PLZ HELP!! List properties of ions.
Andreas93 [3]
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3 years ago
After an eye examination, you put some eyedrops on your sensitive eyes. The cornea (the front part of the eye) has an index of r
mina [271]

Answer:

t = 103.45 n m

Explanation:

given,

refractive index of cornea = 1.38

refractive index of eye drop = 1.45

wavelength of refractive index = 600 nm

refractive index of eye drop is greater than refractive index of cornea and the air.

Formula used in this case

for constructive interference

2 n t = (m + \dfrac{1}{2})\lambda

At m = 0 for the minimum thickness, so

2\times 1.45 \times t = (0 + 0.5)\times 600

2.9 \times t =300

t =\dfrac{300}{2.9}

t = 103.45 n m

the minimum thickness of the film of eyedrops t = 103.45 n m

6 0
3 years ago
A body of mass 20kg initially at rest is subjected to a force of 40m for 15sec. Calculate the change in k.e
Ede4ka [16]

Explanation:

mass(m)=20kg

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k.e=?

now,

k.e=1/2mv^2

=1/2*20*(2.67)^2

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3 0
2 years ago
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Kinwtic energy = (40kg*2*2)/2=40*2=80J
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