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Oduvanchick [21]

3 years ago

13

All of the following are electromagnetic radiation except

2 answers:

charle [14.2K]3 years ago

6 0

Sound waves.

Sound waves are not electromagnetic radiation. Every other option is an electromagnetic radiation.

Basile [38]3 years ago

3 0

The correct answer to the question is : A) Sound waves.

EXPLANATION:

Before going to answer this question, first we have to understand sound wave.

A sound wave is a longitudinal wave which needs a medium for its propagation. It moves in the form of compression and rarefaction in a medium. The medium may be solid,liquid or gases.

Unlike sound waves, gamma waves, micro waves and UV waves do not require any medium for its propagation. They can travel in space also. They all are included in electromagnetic series.

Hence, the correct answer to the question is Sound waves.

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Have the highest birth rate

Sveta_85 [38]

Answer:

353225

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3 years ago

A ball is dropped from a high rise platform at t=0 starting from rest. After 6 seconds another ball is thrown downwards from the

AlekseyPX

Answer:

73.5 m/s

Explanation:

The position of the first ball is:

y = y₀ + v₀ t + ½ at²

y = h + (0)(18) + ½ (-9.8)(18)²

y = h − 1587.6

The position of the second ball is:

y = y₀ + v₀ t + ½ at²

y = h + (-v) (18−6) + ½ (-9.8)(18−6)²

y = h − 12v − 705.6

Setting the positions equal:

h − 1587.6 = h − 12v − 705.6

-1587.6 = -12v − 705.6

1587.6 = 12v + 705.6

882 = 12v

v = 73.5

The second ball is thrown downwards with a speed of 73.5 m/s

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3 years ago

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shutvik [7]

Answer:

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7 0

3 years ago

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What will happen if an stop able item was to hit an unbreakable item

nataly862011 [7]

It would either break or stop depends on the density

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3 years ago

An iceberg at its melting point

iren2701 [21]

The mass of the iceberg is 71.9 kg

Explanation:

The amount of thermal energy needed to completely melt a substance at its melting point is given by

$Q=\lambda m$

where

$\lambda$ is the latent heat of fusion

m is the mass of the substance

In this problem, we have a block of ice at its melting point (zero degrees). The amount of heat given to the block is

$Q=2.40\cdot 10^7 J$

And the latent heat of fusion of ice is

$\lambda = 334 J/g$

So, we can re-arrange the equation to find m, the amount of ice that will melt:

$m=\frac{Q}{\lambda}=\frac{2.40\cdot 10^7}{334}=71856 g = 71.9 kg$

Learn more about specific heat:

brainly.com/question/3032746

brainly.com/question/4759369

#LearnwithBrainly

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2 years ago