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almond37 [142]
4 years ago
11

A laptop computer uses 78.0 W of power. If it runs for 10.0 minutes how much energy does it use?

Physics
1 answer:
lakkis [162]4 years ago
4 0
Power consumed = P = 78.0 W
Time taken = t = 10 minutes
Energy consumed = E = ?

The power, energy and time are related by the following equation:

P = E / t 

Using the values, we get

78 = E/t

So,

E = 780

This means, 780 Joules of energy was used during the 10 minutes
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A storage tank contains a liquid at depth y where y=0 when the tank is half full. liquid is withdrawn at a constant flow rate q
Arte-miy333 [17]

Answer:

y(t) = \frac{3Q}{2A} ( t - 1/2 sin2t ) - \frac{Q}{A} t + C

Explanation:

Given data :

storage tank contains a liquid at depth ; Y

when tank is half full ;  y = 0

flow rate = q

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Determine how the equation can be written for this system

solution is attached below

note ; from the question it can be seen that the surface area ( A )  is constant

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3 years ago
Write the formula of mechanical advantage​
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Answer:

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What is the wavelength of a wave with a frequency of 262 hz and a speed of 343 m/s
Tamiku [17]

Heya!!

For calculate wavelength, lets applicate formula:

                                                      \boxed{\lambda = V/f}

                                                   <u>Δ   Being   Δ</u>

                                            f = Frequency = 262 Hz

                                            v = Velocity = 343 m/s

                                             \lambda = Wavelenght = ?

⇒ Let's replace according the formula:

\boxed{\lambda = 343\ m/s / 262\ Hz }

⇒ Resolving

\boxed{\lambda = 1,3 \ m}

Result:

The wavelength is <u>1,3 meters.</u>

Good Luck!!

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If a bit is travelling through a copper wire at 2 x 10 8 meters per second, how far does it go in a millisecond?
zavuch27 [327]

Answer:

2\times10^5m

Explanation:

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\frac{2\times10^8}{1000} = 2\times10^5m

3 0
4 years ago
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