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Damm [24]
3 years ago
10

When you eat cereal and then

Physics
1 answer:
xeze [42]3 years ago
4 0
The answer is A. The chemical energy in the cereal is transformed into mechanical energy.
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What type of motion occurs when an object spins around an axis without altering its linear position?
dimulka [17.4K]
That would be only rotational motion
5 0
3 years ago
A man walks 30 m to the west, then 5 m to the east in 45 seconds. What is his average speed?
dsp73

The average speed is  0.55 m/s

<h3>What was his displacement?</h3>

Displacement is defined as the change in position of an object.

Mathematically,

D = Initial value - Final Value

D = 30 - 5 = 25m

Now , We have to find the average velocity,

Average velocity is calculated by the formula V = D/t,

where V equals the average velocity, D equals total displacement and t equals total time.

V = D/t

V = 25 m / 45s

V = 0.55 m/s

So , The average speed is o.55 m/s

learn more about average speed:brainly.com/question/9834403

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5 0
2 years ago
There is evidence that elephants communicate via infrasound, generating rumbling vocalizations as low as 14 Hz that can travel u
amid [387]

Answer:

L = 96.2 dB

Explanation:

As we know that the level of intensity is given as

\beta = 10Log(\frac{I}{I_o})

here we know

\beta = 104 dB

104 = 10Log(\frac{I}{10^{-12}})

I = 0.025 W/m^2

now the sound is travelling in all possible directions so we have

\frac{I_1}{I_2} = \frac{r_2^2}{r_1^2}

\frac{0.025}{I_2} = \frac{10^2}{4.1^2}

I_2 = 4.2 \times 10^{-3} W/m^2

now for level of sound we have

L = 10Log(\frac{4.2 \times 10^{-3}}{10^{-12}})

L = 96.2 dB

5 0
3 years ago
Pleaswe help me ewwfea
Talja [164]

Answer:

The first one is Earths Tilt on its axis

6 0
3 years ago
Read 2 more answers
A batter hits two baseballs with the same force.One hits the ground near third base.The other is a home run out of the park.Wher
andrezito [222]

The formula for work is:

W = F * d  Where W is work, F is Force, and d is distance.

Without doing any math, it can be seen from the equation that work is directly proportional to the force applied and the distance it travels.  The homerun hit both traveled more distance and had a grater force applied to it in order to achieve this distance (assuming both baseballs weighed the same).  Based on this reasoning, it is valid to conclude that the baseball which was a homerun was the hit that accomplished more work.

5 0
3 years ago
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