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sashaice [31]
1 year ago
9

What is the Mpemba effect?

Physics
1 answer:
zavuch27 [327]1 year ago
4 0

The Mpemba effect is the name given to the assertion that it is quicker to cool water to a given temperature when the initial temperature is higher.

Marie Curie was a polish-french physicist and chemist who conducted pioneering research on radioactivity.

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Can the momentum of an object change
OlgaM077 [116]
The answer for this is yes.
8 0
4 years ago
Read 2 more answers
For what visible wavelengths of light do the reflected waves interfere constructively? The range of wavelength of visible light
Otrada [13]

Answer:

None of the wavelength is in the visible range

Explanation:

Constructive interference of the reflected waves for different wavelengths can be estimated using:

λ_{m} = 2nd/m

where m is 1,2,3, ...

Therefore:

m=1, λ_{1} = 750 nm

m=2, λ_{1} = 750/2 = 375 nm

The limits of eye's sensitivity is between 430 nm and 690 nm. Beyond this range, the eye's sensitivity drops to approximately 1% of its maximum value.

7 0
4 years ago
When talking about Acceleration ,what is significant about the about the sign(+ or -)?​
OLEGan [10]

Answer:

Acceleration at its most basic is the act of increasing your running speed. From a standing start (or blocks), you explode into action. If you’re already running, you pick up the pace. Acceleration continues until you can no longer increase your speed, at which point you achieve maximum velocity (top-end speed). Acceleration seems simple enough. The plus means your increasing speed, the k=minus means your decreasing in speed.

Explanation:

5 0
3 years ago
Which of the following statements is false?
astraxan [27]

Answer:

c. Kinetic energy is conserved in all collisions .

Explanation:

the total kinetic energy of system of particles involved in the collision does changes .

kinetic energy is not conserved in all collisions because in some cases energy is converted to another form of energy that is heat etc .

5 0
4 years ago
A car moves 8 km from home to school and then back to the home. a) Calculate the Distance covered by this car. b) What is the Di
Sveta_85 [38]

Explanation:

Distance covered = Total distance travelled by the car

Since the car travels to school and back to home again,

Total diatance covered = 8 + 8 = 16km

Displacement = Shortest distance between start point and destination.

Since, the car returns back to home from school,

the start and destination point are same.

So Displacement = 0

8 0
3 years ago
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