3 years ago

The multiple reflection of a single sound wave is a/an

Physics

1 answer:

algol [13]3 years ago

4 0

That is an echo

Example 3d echo

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Electromagnetic waves are sometimes demonstrated by rippling waves in water. However, electromagnetic waves are different from w

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The answer is D: all electromagnetic waves can travel in a vacuum

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3 years ago

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Where are metalloids found on the periodic table

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Answer:

to the right of the post transition metals and to the left of the non metals.

b, si, Ge, as, sb, te,po,at.

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3 years ago

humming bird flits from flower to flower. Over a period of 10 minutes, it travels 40 meters. The average speed of the humming bi

Veronika [31]

As we know that average speed is given by the ratio of total distance covered and total time of motion so we will have

$v_{avg} = \frac{distance }{time}$

now we have

distance covered = 40 meter

time taken by the bird = 10 minutes

now in order to find the average speed of the bird

$v_{avg} = \frac{40}{10}$

$v_{avg} = 4 meter/min$

so the average speed of the bird is 4 m/min

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3 years ago

A charge q of 1.3 × 10-16 coulombs moves from point A to a lower potential at point B in an electric field of 3.2 × 102 newtons/

LUCKY_DIMON [66]

Explanation :

It is given that,

Charge, $q=1.3\times 10^{-16}\ C$

Electric field, $E=3.2\times 10^2\ N/C$

Distance, $d=1.1\times 10^{-2}\ m$

The work done is stored in the form of potential energy.

$W=F.d$

$\because F=qE$

So, $W=qE\ d$

$W=1.3\times 10^{-16}\ C\times 3.2\times 10^2\ N/C\times 1.1\times 10^{-2}\ m$

$W=4.576\times 10^{-16}\ J$

Hence, this is the required solution.

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Answer:

September 9 and 24 represent spring tides due to the added gravitational pull of the Sun.

Explanation:

Just trust me

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4 years ago