The LIGHT/DARKcontrol of an automatic toaster is placed at a particular setting. The toast at this setting will always be the same color because the toaster uses

Answers

Answer 1

Answer: The toast at this setting will always be the same color because the toaster uses a compensating thermostat. Depending on the setting, the compensating thermostat will be used to regulate the heat settings at different amounts of time. In one setting, the compensating thermostat could go on for much longer than the other setting before shutting off.

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As the speed of a fluid increases, ____.a. the pressure decreases c. the force decreases b. the pressure increases d. the volume decreases
Which of these components is not necessary for current to flow in a series or parallel circuit?A. wire B. switch C. resistor D. All of these are needed.
What do we call solid H2O?What do we call gaseous H2O?What do we call liquid H2O? A _______ is a state of matter that has a fixed or definite shape and volume. A _______ is a state of matter that has a fixed or definite volume but takes the shape of its container. A ______ is a state of matter that has no definite shape or volume. The particles of a ____ have less attraction between them than the particles of the same substance in the solid or liquid state.When matter changes from one form to another we call it a ____________ change.Melting is a change in state of matter from a _______________ to a_______________.Freezing is a change in state of matter from a ______________ to a ______________.Liquid can change to a gas through two processes:evaporation - which happens at a temperature below the ______________ point, and vaporization - which happens at the substances boiling point.Condensation is a change in state of matter from ______________ to _______________.Sublimation is a change in state of matter directly from a ______________ to a _______________ without going through the liquid phase.The freezing point of a substance is the same temperature as the _________________ point of a substance.The condensation point of a substance is the same temperature as the _________________ point of a substance.
Why is there less air pressure at higher altitudes?Air at higher altitudes doesn't have as much air weighing down on it from above.Air at higher altitudes is cooler and less turbulent.The molecules in the air lose mass and are less effected by gravity, significantly lowering their weightThe warmer, lighter air rises bringing cooler heaver air to low altitudes.

What energy transformation takes place when you stretch a bungee cord?A.
Kinetic energy transforms into potential energy.

B.
Mechanical energy transforms into sound energy.

C.
Elastic energy transforms into kinetic energy.

D.
Potential energy transforms into elastic energy.

Answers

Answer:

D.

Potential energy transforms into elastic energy.

Bob weighs 80 pounds. He ran up the steps which rose 14 feet. Fred weighs 110 pounds. He ran up the same steps as Bob. If both boys reached the top of the 14-foot stairs at the same time, which boy had the greatest horsepower?

Answers

Bob gained (80lbs x 14ft) = 1120 ft-lbs of energy.

Fred gained (110lbs x 14ft) = 1540 ft-lbs of energy

Since they both took the same amount of time, Fred's power (rate
of doing work) was greater than Bob's power (rate of doing work).

Answer:

Bob gained (80lbs x 14ft) = 1120 ft-lbs of energy.

Fred gained (110lbs x 14ft) = 1540 ft-lbs of energy

Since they both took the same amount of time, Fred's power (rate

of doing work) was greater than Bob's power (rate of doing work).

Explanation:

Notes on electric bulb

Answers

The question describes a hazardous practice that should be avoided in the home.
Areas of the glass having ink, marker, or Post-its on them can cause uneven heating
of the glass, leading to uneven expansion and, sooner or later, fracture of the glass.

A dog walks 12 meters to the west and then 16 meters back to the east

Answers

Answer:

Explanation:

4 meters east

4 meters east dude woot

Which has greater buoyant force, light corn syrup or the vegetable oil?

Answers

It is most likely vegetable oil

One consequence of Einstein's theory of special relativity is that mass is a form of energy. This mass-energy relationship is perhaps the most famous of all physics equations: E=mc2,
where m is mass, c is the speed of the light, and E is the energy. In SI units, the units of speed are m/s. For the preceding equation to have consistent units (the same units on both sides of the equation), the units of E must be which of the following?

Answers

Answer:

Unit of energy is kg-m/s or Joules.

Explanation:

The mass- energy relationship in physics is given by :

$E=mc^2$

Where

m is the mass of the object

c is the speed of light

The SI unit of m is kilogram while the SI unit of c is as same as speed of light i.e. m/s. So, the unit of energy is kg-m/s. It is also equivalent to Joules.

So, the SI unit of energy is kg-m/s or Joules. Hence, this is the required solution.

Joule is the si unit for energy

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