PHYSICS HIGH SCHOOL

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? 0.10 amps
10 amps
80 amps
180 amps

Answers

Answer 1
Answer:

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=(Power)/(Voltage)=(1,200 W)/(120 V)=10 ampere

The current of value 10 ampere runs through the vacuum.
Answer 2
Answer: 1200 watts / 120 volts =10 amps begins to flow as soon as you plug it in.

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A force of 5 N gives to mass my and an acceleration of 8m/s2 and a mass m2an acceleration of 24m/s2. What acceleration would it give if both masses are
tied together

Answers

Answer:

a=6m/sec²

Explanation:

f=5 N

a1=8m/sec²

a2=24m/sec

m1=f/a1=5/8kg

m2=f/a2=5/24kg

New, f=(m1+m2)a

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a=6m/sec²

How can a diving board illustrate the newton's thrid law

Answers

*Just to explain, Newton's Third Law, which is also commonly called the "Law of Action and Reaction" states that force come in pairs, meaning that, for example, if I were to push against the wall, thus exerting a force on the wall, Newton theorizes that the wall exerts a force of equal magnitude right back onto me. *This is thought of more practically when you think of the effects of these forces: I push against the wall, but the wall doesn't move, so the wall is thus pushing back onto me, preventing me from going straight through this wall. *If I were to push onto, say, a sheet of aluminum foil, it would obviously break, but not because it is not exerting a force back, but because the aluminum foil is not strong enough to match my force, so it allows me to go straight through it mostly.

When fossil are burned, their chemical potential energy is converted into?

Answers

Fossil fuel is a source of non-renewable energy. There are many examples of fossil fuels which we use in our daily lives. In fact, most of the energy that we consume is fossil fuels. Coal, petroleum, natural gas, these are all considered as fossil fuels. Many years ago, to be specific, during the carboniferous age, due to the change in atmospheric condition and other changes, there forests were destroyed and they were fossilized. With the action of bacteria and other microorganisms in the surface of the earth, these trees and other vegetation were decayed and disintegrated. Years after these trees were available in solid, liquid and gaseous state. The solid form is coal. It is the most widely used form of fossil fuel in domestic purposes.

Kepler found that the orbits of the planets were _____. circular amorphous oval elliptical

Answers

Answer:

elliptical

Explanation:

Nicolaus Copernicus gave the heliocentric theory that sun is at the center if the solar system and all the planets and the moons revolved wound it. according to him, the planets revolved around the sun in circular paths.

But Kepler suggested a different shape of the orbit. According to the laws o planetary motion given by Kepler, the planets revolve around the sun in an elliptical orbit. The sun is at one of its focus.

Kepler found that the orbits of the planets were elliptical. 
His work was so convincing that to this day, they still are.

The energy is water but i wanf to know how does it affect the enviorment?

Answers

It affects the environment because more animals and plants will grow. Down side is if there are bugs or insects that need water to live, if there's more water than more bugs. If bugs also feed on plants there could be an over population. 

What is the centripetal force that allows a car to move around a sharp curve in a roadway?

Answers

For a level curve, the centripetal force will be supplied by the friction force between the tires and roadway.
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