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Delvig [45]
3 years ago
5

A 1,200-watt water heater is plugged into a 120-volt outlet and used for 1.5 hours. How much current runs through the vacuum?

Physics
2 answers:
tekilochka [14]3 years ago
6 0
1200 watts / 120 volts =10 amps begins to flow as soon as you plug it in.
garik1379 [7]3 years ago
4 0

Answer: The current of value 10 ampere runs through the vacuum.

Explanation;

Power of the water heater = 1,200 watts

Voltage applied to the water heater = 120 V

Duration of the use of water heater = 1.5 seconds

Current=\frac{Power}{Voltage}=\frac{1,200 W}{120 V}=10 ampere

The current of value 10 ampere runs through the vacuum.

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A heavy ball with a weight of 150 N is hung from the ceiling of a lecture hall on a 4.1-m-long rope. The ball is pulled to one s
AlladinOne [14]

Answer:

The tension in the rope is 262.88 N

Explanation:

Given:

Weight W = 150 N

Length of rope r = 4.1 m

Initial speed of ball v = 5.5 \frac{m}{s}

For finding the tension in the rope,

First find the mass of rod,

mg = 150                          ( g = 9.8 \frac{m}{s^{2} } )

  m = \frac{150}{9.8}

  m = 15.3 kg

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  T = mg + \frac{mv^{2} }{r}

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  T = 262.88 N

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7 0
3 years ago
A 1-kilogram parcel of air is at 35°c and contains 7 grams of water vapor. What is the relative humidity?
Nitella [24]

Answer:

20%

Explanation:

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