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2 years ago

M A sinusoidal wave on a string is described by the wave function

Physics

1 answer:

IceJOKER [234]2 years ago

5 0

The frequency of the wave is determined as 7.96 Hz.

<h3>Frequency of the wave</h3>

The frequency of the wave is calculated as follows;

y = A sin(ωt - kx)

where;

A is amplitude of the wave
ω is angular speed of the wave

ω = 2πf

f = ω/2π

f = (50)/(2π)

f = 7.96 Hz

Thus, the frequency of the wave is determined as 7.96 Hz.

Learn more about frequency of waves here: brainly.com/question/6297363

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Wave energy can only be transmitted through a material medium. wave energy can only be transmitted through a material medium.

S_A_V [24]

The correct answer is False.
In fact, electromagnetic waves (which carry energy), do not need a material medium to travel, because they can travel in vacuum as well. So, wave energy can be transmitted also through vacuum.

3 0

3 years ago

A blow-dryer and a vacuum cleaner each operate with a voltage of 120 V. The current rating of the blow-dryer is 10 A, and that o

Katyanochek1 [597]

Answer:

Part a)

P = 1200 Watt

Part b)

P = 480 W

Part c)

$\frac{E_{bd}}{E_{vc}} = 5 : 2$

Explanation:

Part a)

Power consumed by blow dryer is given as

$P = iV$

here supply voltage is given as

$V = 120 volts$

current rating of blow dryer is given as

$i = 10 A$

$P = (120 V)(10 A)$

$P = 1200 W$

Part b)

Power consumed by vacuum cleaner is given as

$P = iV$

here supply voltage is given as

$V = 120 volts$

current rating of vacuum cleaner is given as

$i = 4 A$

$P = (120 V)(4 A)$

$P = 480 W$

Part c)

Energy consumed in a given interval of time is given as

$Energy = power \times time$

now we have to find the ratio of energy consumed in time interval of 11 minutes

so we have

$\frac{E_{bd}}{E_{vc}} = \frac{P_{bd} t}{P_{vc} t}$

now we have

$\frac{E_{bd}}{E_{vc}} = \frac{1200 W\times 11 min}{480 W \times 11 min}$

$\frac{E_{bd}}{E_{vc}} = 5 : 2$

5 0

3 years ago

The physical (natural) laws which establish how things work can be investigated by the scientific method. True or False

UNO [17]

Answer:

True

Explanation:

It's a bit hard to explain, so you can watch a youdube video on it or something.

8 0

2 years ago

Read 2 more answers

Describe the electron transfers that occur in the formation of calcium fluoride from elemental calcium and elemental fluorine.

boyakko [2]

Answer:

Check explanation

Explanation:

In the formation of calcium fluoride we take calcium and fluorine.

in elemental form calcium exist in solid form and fluorine in gaseous form.

formation of compound takes place to complete their octet, in case of calcium need to remove two electron and need to add one elecron in fluorine to complete their octet so two electron will ransferred from calcium to two fluorine atom.

3 0

3 years ago

BaLLatris [955]

Answer:

The conduction path or simply the wires connected between different components in a circuit.

Explanation:

The wire makes up the path for the electricity to flow and most of the electricity flows through this. It is like a road connecting two house or buildings in a town and the traffic of vehicles is the electricity (current).

5 0

3 years ago