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lubasha [3.4K]
3 years ago
5

An electric space heater draws 16.0 amps from a 120 volt source. This device is operated, on average, for 8.0 hours a day. How m

uch power does the heater consume?
Physics
1 answer:
iogann1982 [59]3 years ago
6 0

Answer:

1920watts

Explanation:

P=IV

P = 16 x 120 = 1920 watts

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A 6.00 cm tall light bulb is placed a distance of 54.2 cm from a double convex lens
BigorU [14]

Answer:

1 / f = 1 / i + 1 / o       thin lens equation

1 / i = 1 / f - 1 / o    =    (o - f) / (o * f)

i = o * f / (o - f)

i = 54.2 * 12.7 / (54.2 - 12.7) = 16.6 cm    image distance

Image is real and inverted and 16.6 / 54.2 * 6 = 1.94 cm tall

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2 years ago
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lisov135 [29]

C.There is an invisible magnetic field around the magnet where it exerts magnetic force

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What are the similarities & differences between a thermistor and a light dependent resistor in physics?
viva [34]

An LDR's resistance changes with light intensity, while a thermistor's resistancce changes with temperature.

In dark, LDR's resistance is large and in the day/light LDR's resistance is small.

At low temperature, thermistor's resistance is large, while at large temperature it resistance is small.

In an LDR Resistance increases as light intensity falls, while in a thermistor resistance falls as temperature falls.

5 0
2 years ago
Kristen has two identical sized cubes, one is lead (Pb) and one is copper (Cu). Kristen is determining the density of each cube.
natta225 [31]

Answer:

volume

Explanation:

Identical size means volume will be the same in each calculation of

density =   mass / <u>volume</u>

3 0
1 year ago
Can any help me with this question?☺​
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Answer:

changes, same

combination

Nitrogen dioxide and oxygen

exothermic reaction

solubility

Explanation:

Hope this answer will help you

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3 years ago
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