PHYSICS HIGH SCHOOL

What form of energy transforms to what other form when you turn on a steam iron?

Answers

Answer 1

Answer: Electrical to heat
Electricity is going into it and heat is coming out

Answer 2

Answer:

Answer:

Electrical energy to thermal energy.

Plato

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Which substance—wood or steel—is the better conductor? A conductor is a material that requires very littleheat energy to experience a change in temperature. Explain your answer.

Answers

The better substance is steel because lightning hits iron more than wood

Steel because good conductors are made of metal and steel is metal.

How to find the volume of a cone

Answers

The formula for the volume of a cone is

Volume = (1/3) · (pi) · (radius)² · (height).

Is time a

vector,
scalar,
both,
neither

Answers

Answer: scalar

Explanation:

You decide to go on a walk around the school. Starting from the student parking lot you move 25 m North and then 50 m West to reach a road. What is the total distance and displacement traveled on your brief trek?Distance:
Displacement:

Answers

Distance: The total distance traveled is the sum of the individual distances traveled in each direction. In this case, you moved 25 meters North and then 50 meters West. So, the total distance is:

Distance = 25 m (North) + 50 m (West) = 75 meters

Displacement: Displacement is the straight-line distance from the starting point to the final point, taking into account both the distance and direction. To calculate the displacement, you can use the Pythagorean theorem because the motion is in perpendicular directions (North and West).

Displacement = √((25 m)² + (50 m)²)

Displacement = √(625 m² + 2500 m²)

Displacement = √(3125 m²)

Displacement = 55.9 meters (rounded to one decimal place)

-the total displacement is approximately 55.9 meters in a direction that is between North and West.

Which one of the following sources produces the highest energy photons? A)a doctor's x-ray source B)a heat lamp in a restaurant C)a microwave oven D) gamma rays from a star radio E)waves from a local station

Answers

Answer:D) Gamma rays

Explanation:

Energy of a photon= h( Planck constant) * f (frequency)

So we take a look at the electromagnetic spectrum i am attaching and see which wave will have the highest frequency.

As a note frequency is inversely proportional to wavelength so highest energy is also shortest wavelength.

Therefore the highest energy are gamma rays

Hope this helps

Final answer:

Among the options provided, gamma rays from a star radio produce the highest energy photons. This is due to the larger energy differences in gamma rays. The radiation emitted by a microwave oven, a heat lamp, local station waves, or a doctor's X-ray are of lesser energy comparatively.

Explanation:

The source that produces the highest energy photons among the options provided is 'gamma rays from a star radio'. This is because gamma rays are part of the electromagnetic spectrum and known for having short wavelengths and high energy. In fact, the energy of gamma rays is much larger than the energy released by a microwave oven, a heat lamp, radio waves from a local station or even a doctor's X-ray machine.

Nuclear energy shells in gamma rays have energy differences that are millions of times larger than electromagnetic radiation from electronic transitions. In contrast, examples like a microwave oven work with much smaller energy scales, producing electromagnetic radiation that is absorbed by water molecules, leading to an increase in the molecules' rotational energies.

Microwaves and heat lamps emit infrared radiation, doctors use X-rays, and local stations emit radio waves. However, none of these have as much energy as gamma rays, which can be produced in stars, among other places. Gamma rays are the most energetic form of light and are created by the hottest and most energetic objects in the universe, such as stars and black holes.

Learn more about Gamma Rays here:

brainly.com/question/12528914

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You put the wet leaves in the container and turn the crank to spin off the water. The radius of the container is 13.2 cm. When the cylinder is rotating at 1.63 revolutions per second, what is the magnitude of the centripetal acceleration at the outer wall?