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NeTakaya
4 years ago
10

What direction do s waves move in

Physics
1 answer:
rodikova [14]4 years ago
4 0
Sound waves are longitudinal waves so they move in the direction in which the energy or wave is moving
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Which is not a characteristic of chemical energy? A. chemical change B. breaking bonds C. splitting nuclei D. reacting substance
Delvig [45]

The correct answer is C. Splitting Nuclei.

Splitting nuclei is not a characteristics of chemical energy.

Chemical energy is termed as the energy which results when there is chemical reaction. Chemical energy is being stored in molecules which makes substance and bonds of atoms.

In order for our bodies to function well they need chemical energy. During photosynthesis plants perform chemical reaction each and every day.

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3 years ago
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56 kg girl slides down the frictionless slip-n-slide at a constant speed of 35 m/s. What is the kinetic energy in Joules of the
melisa1 [442]

Answer:

93 joules

Explanation:

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3 years ago
To develop a product that warms peoples hands would you use an exothermic or endothermic reaction? Why?
il63 [147K]
Exothermic because exothermic reactions transfer energy to the surroundings. Endothermic reactions take in energy from the surroundings, so if you want to warms people's hands you should use exothermic chemical reaction for the product.
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PLSSSS Jenny runs every morning for exercise she takes 25 minutes to run 1,000 m and walk 1,600 m or 20 minutes to run 2,000 m a
ELEN [110]

The running speed of Jenny willl be 2.5 times the velocity she walks.

<h3 /><h3>What is velocity?</h3>

The change of distance concerning to time is defined as speed. Speed is a scalar quantity. It is a time-based component. Its unit is m/sec.

Condition 1;

She takes 25 minutes to run 1,000 m and walk 1,600 m The total time to run as well as the walk is 25 minutes.

\rm  t = t_r +t_w \\\\ 25 =  t_r +t_w

As we know that;

Distance = speed × time

\rm x_r = v_r \times t_r \\\\ t_r = \frac{x_r}{v_r}

For walking;

\rm t_w = \frac{x_w}{v_w}

\rm  t = t_r +t_w \\\\ 25 = \frac{x_r}{v_r} +\frac{x_w}{v_w} \\\\  25 = \frac{1000 \ m}{v_r} +\frac{1600 \ }{v_w} \\\\ 40 v_w +64 v_r = v_rv_w

Same as for condition 2;

\rm 100 v_w + 40 v_r = v_rv_w

\rm 40 v_w +64 v_r =\rm 100 v_w + 40 v_r \\\\ v_r = 2.5 v_w

Condition 3;

\rm d_w = 800 \ m

\rm d_w = v_w \times t_w

\rm t_w  = \frac{d_w}{v_w } \\\\ \rm t_w  = \frac{800}{v_w } \\\\

Hence their running speed of Jenny willl be 2.5 times the velocity at she walks.

To learn more about the velocity, refer to the link: brainly.com/question/862972.

#SPJ1

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2 years ago
Which computational model can be applied to the total internal energy of a system with two point masses?
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Answer:

D

Explanation:

Took the test :)

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