2 years ago

What is the number of complete oscillations of a wave per second

Physics

2 answers:

Ira Lisetskai [31]2 years ago

8 0

I believe the term Frequency is what you are looking for.

alukav5142 [94]2 years ago

3 0

Answer:

Frequency

Explanation:

Frequency is the number of occurrences that repeat.

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garik1379 [7]

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2 years ago

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3 years ago

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2 years ago

Select all that apply. The force that opposes the start of motion is referred to as _____.

77julia77 [94]

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A block of ice at 0 degrees C, whose mass is initially 62 kg, slides along a horizontal surface, starting at a speed of 5.48 m/s

Kryger [21]

The mass of ice melted as a result of friction between the ice and the horizontal surface is 2.78g

<u>Explanation:</u>

Given,

Temperature, T = 0°C

Initial mass, Mi = 62kg

Speed, s = 5.48m/s

Distance, x = 26.8m

Friction is present.

Mass of ice melted = ?

We know,

The amount of energy required for the melting of ice is exactly equal to the initial kinetic energy of the block of ice

and

$Kinetic Energy, KE = \frac{1}{2} mv^2$

Therefore, $KE = \frac{62 X 5.48 X 5.48}{2}$

KE = 930.94 Joules

Ice melting lateral heat is 334 kJ/kg = 334000 J/kg.

Therefore, the melted mass of the ice = 930.94 / 334000 = 0.00278 kg = 2.78 g.

Thus, The mass of ice melted as a result of friction between the ice and the horizontal surface is 2.78g

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2 years ago