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MAXImum [283]
2 years ago
8

What would happen to the speed of a sound wave if it moved from ocean water to air? What would happen to the speed of a sound wa

ve if it moved from a cooler room to a warmer one?.
Physics
2 answers:
vodka [1.7K]2 years ago
5 0

Answer:

In both scenarios the speed would increase

krok68 [10]2 years ago
4 0

Answer:

What would happen to the speed of a sound wave if it moved from ocean water to air?

✔ It would slow down.

What would happen to the speed of a sound wave if it moved from a cooler room to a warmer one?

✔ It would speed up.

:)

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Why aren't the electrons counted in the mass of an atom?
Radda [10]

Answer:

Explanation:

The mass of an electron is small compared to the neutron and proton, so it's negligible. It's like adding zero to a number.

3 0
3 years ago
someone help pls. Two students, Mia and Peter, leave school to meet at the local coffee shop. Peter decides to jog to the coffee
cluponka [151]

Answer:

1) The distance further it takes Peter to arrive at the Coffee shop than Mia is 1.24 km

2) Mia's average speed is 6.00 km/hour

Peter's average speed is 8.48 km/hour

4) Mia's average velocity = Peter's average velocity = 6.00 km/hour

Explanation:

The given information from the diagram are;

The distance Peter jogs from school to the flower shop = 2.00 km

The distance Peter jogs from the Flower shop to the Coffee shop = 2.24 km.

The distance Mia walks from school directly to the Coffee shop = 3.00 km

The time it takes both Peter and Mia to arrive at the coffee shop = 30 minutes = 0.5 hour

1) The total distance Peter travels from school to the Coffee shop = 2.00 km + 2.24 km = 4.24 km

The distance Mia travels from school to the Coffee shop = 3.00 km

The distance further it takes Peter to arrive at the Coffee shop than Mia = 4.24 km - 3.00 km = 1.24 km

The distance further it takes Peter to arrive at the Coffee shop than Mia = 1.24 km

2) Average \ speed = \dfrac{Total \ distance \ traveled}{Total \ time \ taken \  in \ the \ journey}

Therefore, \ Mia's \ average \ speed = \dfrac{3.00 \ km}{0.5 \ hour}= 6.00 \ km/hour

Mia's average speed = 6.00 km/hour

Peter's \ average \ speed = \dfrac{4.24 \ km}{0.5 \ hour}= 8.48 \ km/hour

Peter's average speed = 8.48 km/hour

4) Average \ velocicty = \dfrac{Displacement }{Time  \ taken}

The displacement from the School to the Coffee shop is 3.00 km for both Mia and Peter

The time it takes both Peter and Mia to arrive at the Coffee shop from the school is 30 minutes = 0.5 hour

Therefore, \ Mia's \ average \ velocity = \dfrac{3.00 \ km}{0.5 \ hour}= 6.00 \ km/hour

Mia's average velocity = 6.00 km/hour

Peter's \ average \ velocity = \dfrac{3.00 \ km}{0.5 \ hour}= 6.00 \ km/hour

Therefore, Peter's average velocity is also = 6.00 km/hour

6 0
3 years ago
A person running down the hallway at a velocity of 4.2 m/s comes to a stop in a time of 1.8 seconds to avoid hitting the wall. W
kumpel [21]
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6 0
3 years ago
Read 2 more answers
Whats the value of 1,152 Btu in joules?(a)1,964,445J(b)1,215,360J(c)2,485,664J(d)997,875J
Anvisha [2.4K]
In order to make any headway with this one, it might help
to know how many joules there are in one BTU, ya reckon ?

I went and looked it up on line, you're welcome.

       1 BTU  =  1055.06 joules .

So if you happen to have 1,152 BTU of energy,
there are 1055.06 joules in each one of them,
and the total is

                        (1,152 BTU) x (1,055.06 joule/BTU)

                   =          1,215,429.12 joules .

Scanning the choices for anything close, we notice that choice-'b'
is only about 0.006% less than my answer.  So that must be the one
they're fishing for, and they must have used 1055-even for their
conversion factor.
8 0
3 years ago
Read 2 more answers
At what height must a 6-kilogram object be placed to have 12 joules of
Serga [27]

Answer:

0.2m

Explanation:

Using E=mgh

12=6*9.8*h

h=0.2m (1 d.p.)

4 0
4 years ago
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