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Karolina [17]
3 years ago
14

A TV with a power rating of 267 W uses 1.9 kWh in one day. How many hours was the TV during that day?

Physics
1 answer:
Aleonysh [2.5K]3 years ago
4 0
1.9kWh/0.267kW = 7.11 hours
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Answer

given,

height of Alpe d'Huez =  1100-m

time = 37.5 min

mass of the rider and his bike = 65 Kg

the metabolic power to ride = 700 W

U = m g y

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U = 700700 J

since efficiency is 25%

E_{chem} = \dfrac{U}{e}

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E_{chem} = \dfrac{2802800}{4.19 \time 10^3}

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In which type of wave do air particles move together or apart parallel to the direction of the wave?
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If =12a andthe distance from each wire to point p is 0.12m, then what is the magnitude of the magnetic force per unit length on
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The magnitude of the magnetic force per unit length on the top wire is

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<h3>How can we calculate the magnitude of the magnetic force per unit length on the top wire ?</h3>

To calculate the magnitude of the magnetic force per unit length on the top wire, we are using the formula

F= \frac{\mu_0 I_f}{2\pi d}

Here we are given,

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= 4\pi×10⁻⁷ H m⁻¹

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d= distance from each wire to point.

=0.12m

Now we put the known values in the above equation, we get

F= \frac{\mu_0 I_f}{2\pi d}

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Or, F= 2×10⁻⁵ N/m.

From the above calculation, we can conclude that the magnitude of the magnetic force per unit length on the top wire is 2×10⁻⁵ N/m.

Learn more about magnetic force:

brainly.com/question/2279150

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How should the flight controls be held while taxiing a tricycle-gear equipped airplane with a left quartering tailwind?
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