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2 years ago

5

An electric radiator consumes 1500 W

1 answer:

vampirchik [111]2 years ago

8 0

Answer:

Current = 6.82 A

Explanation:

Given the following data;

Power = 1500 Watts.

Voltage = 220 Volts.

To find the current;

Power = current * voltage

Substituting into the equation, we have;

1500 = current * 220

Current = 1500/220

Current = 6.82 Amperes.

Therefore, the current that traverses it is 6.82 Amperes.

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An electron with velocity v = 1.0 ´ 106 m/s is sent between the plates of a capacitor where the electric field is E = 500 V/m. I

oksano4ka [1.4K]

Answer:

The deviation in path is $4.39 \times 10^{-3}$

Explanation:

Given:

Velocity $v = 1 \times 10^{6}$ $\frac{m}{s}$

Electric field $E = 500$ $\frac{V}{m}$

Distance $x = 1 \times 10^{-2}$ m

Mass of electron $m = 9.1 \times 10^{-31}$ kg

Charge of electron $q = 1.6 \times 10^{-19}$ C

Time taken to travel distance,

$t = \frac{x}{v}$

$t = \frac{1 \times 10^{-2} }{1 \times 10^{6} }$

$t = 10^{-8}$ sec

Acceleration is given by,

$F = qE$

$ma = qE$

$a = \frac{qE}{m}$

$a = \frac{1.6 \times 10^{-19} \times 500}{9.1 \times 10^{-31} }$

$a = 8.77 \times 10^{13}$ $\frac{m}{s^{2} }$

For finding the distance, we use kinematics equations.

$y = vt + \frac{1}{2} at^{2}$

Where $v = 0$ because here initial velocity zero

$y = \frac{1}{2} at^{2}$

$y = \frac{1}{2} \times 8.77 \times 10^{13 } \times (10^{-2} )^{2}$

$y = 4.39 \times 10^{-3}$ m

Therefore, the deviation in path is $4.39 \times 10^{-3}$

6 0

2 years ago

What is the internal energy of 7.00 mol of n2 gas at 40c?

emmasim [6.3K]

To find the internal energy of gas we can use

$U = \frac{f}{2}nRT$

here given that

Number of moles (n) = 7 moles

Temperature T = 40 + 273 = 313 K

degree of freedom(f) = 5 (for diatomic gas)

now by above formula

$U = \frac{5}{2}* 7 * 8.31 * 313$

$U = 45518.03 J$

<em>So it is approximately 45500 J (option C)</em>

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3 years ago

Which type of activity can help a person burn more fat? stregth training, cardio, weightlifting, strethching

Natalija [7]

Hmmm, id say cardio.. but i don't know forsure

6 0

2 years ago

What distinguishes mass from weight?

Hunter-Best [27]

Answer:

The answer is A.) Mass is a measure of the amount of matter in an object, while weight is a measure of the force of gravity on the object.

Explanation:

Your weight would change if you went to the moon because the gravitational pull is different but your mass would stay the same because the amount of matter in you wouldnt change.

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2 years ago

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ki77a [65]

Answer:

Explanation:

The explanation is given in the attached document.

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2 years ago