3 years ago

Which factor should change when comparing the boiling times of the liquids?

Physics

2 answers:

Anon25 [30]3 years ago

8 0

Answer:

Explanation:

cause it be like that

Andru [333]3 years ago

7 0

Answer: B

Explanation:

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Difference between artificial magnet and natural magnet??

marissa [1.9K]

Answer:

A natural magnet is a magnet that occurs naturally in nature. Artificial magnets are magnets made by people. ... An example of a natural magnet is the lodestone, also called magnetite. Other examples are pyrrhotite, ferrite, and columbite.

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3 years ago

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3. What color of laser light shines through a diffraction grating with a line density of 500 lines/mm if the third maxima from t

mestny [16]

Answer:

Wavelength is 471 nm

Explanation:

Given that,

Lines per unit length of diffraction grating is 500 lines/mm.

The third maxima from the central maxima (m=3) is at an angle of 45°

We need to find the color of laser light shines through a diffraction grating.

The condition for maxima is :

$d\sin\theta=m\lambda$

d = 1/N, N = number of lines per mm

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3 years ago

PLEASE PLEASE HELP ME WITH THIS QUESTION. A ball with a mass of 0.175 kg leaves your hand with an acceleration of 50 m/s2. What

scZoUnD [109]

So Force=Mass*Acceleration

You have a mass of .175 kg or 175 grams

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3 years ago

A 1.3 kg ball drops vertically onto a floor, hitting with a speed of 21 m/s. It rebounds with an initial speed of 9.8 m/s. (a) W

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Answer:

a) Impulse(J)=40.04 kg.m/s

b)F=2566.66 N

Explanation:

Given that

$V_1=21 m/s,V_2=9.8m/s$

We know that impulse(J) impulse is a vector quantity

$J=P_2-P_1$

We know that P=mV

So $J=m(V_2-V_1)$

Now by putting the values

J=1.3(9.8-(-21))

So impulse(J)=40.04 kg.m/s

Force is given as

$F=\dfrac{dP}{dt}$

or we can say that

$F=m\left(\dfrac{v_2-V_1}{dt}\right)$

So $F=\dfrac{40.04}{0.0156}$

F=2566.66 N

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3 years ago

A person can only see object placed at 40cm from him state his defect

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The answer is true. A person can only see object placed at 40 cm from him.

Hope I helped. ^-^

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