PHYSICS HIGH SCHOOL

Inertia is defined as the tendency of an object to resist a change in motion. Objects moving in space tend to move in straight lines because of inertia. If this is the case, then why do planets orbit in elliptical paths?A The magnetic force caused by the lining up of the distant stars pushes the planets into curved paths.
B The force of gravity between planets keeps them on a curved path and prevents them from leaving the solar system.
C The force created by the nuclear fusion of the hydrogen in the Sun causes the planets' curved paths.
D The speed of the planets and the gravitational pull of the Sun cause the planets' curved paths.

Answers

Answer 1

Answer:

Answer:

Option D is the answer

Explanation:

The gravitational pull of the sun bends the path of the planet making it move in a elleptical path.

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The Sun transfers energy to the atmosphere primarily by _____.conduction convection radiation all of the above

A reaction in which small nuclei combine to form a heavier nucleus is called ____. a. fission c. background radiation b. a chemical reaction d. fusion

Answers

The correct answer is D) fusion. In fact, nuclear fusion occurs when two (or more) small nuclei combine to form a heavier nucleus. In the process, a large amount of energy is released, according to Einstein's formula $E=mc^2$ , where m is the mass converted into energy in the reaction. An example of nuclear fusion is the fusion of two nuclei of hydrogen into a nucleus of helium-4.

Monochromatic coherent light shines through a pair of slits. If the wavelength of the light is decreased, which of the following statements are true of the resulting interference pattern? (There could be more than one correct choice.) Check all that apply. Check all that apply. The distance between the maxima decreases.
The distance between the minima decreases.
The distance between the maxima stays the same.
The distance between the minima increases.
The distance between the minima stays the same.

Answers

The right answer for the question that is being asked and shown above is that: "The distance between the maxima stays the same; The distance between the minima stays the same.; . The distance between the maxima decreases."

A graph of the motion of a pendulum shows that it swings from +5 centimeters to -5 centimeters for each cycle. What is the amplitude of the pendulum?

Answers

The amplitude of the pendulum is 5cm.

What is the amplitude?

Amplitude is the maximum displacement of the wave from its mean position upwards or downwards.

As the graph of the motion of pendulum swings from +5cm to -5cm for each cycle, the magnitude of peak amplitude of the pendulum is 5 centimeters.

Learn about amplitude.

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the peak amplitude of the pendulum is 5 centimeters, the peak to peak amplitude of the pendulum is 10 centimeters.

in this case, i think peak to peak amplitude makes more sense

If the absolute temp of gas is 600k what is the temp in degrees celsius

Answers

The answer is 327 degrees celsius

All of the following are examples of ways to improve energy efficiency of heating systems, except _______.A. Closing off rooms that aren’t in use.
B. Frequently cleaning the furnace filter.
C. Fixing cracks in the walls and floor.
D. Opening the front door in winter to filter and clean warm air.

Answers

Answer:

D. Opening the front door in winter to filter and clean warm ai

Explanation:

All of the following are examples of ways to improve energy efficiency of heating systems, except _______.

A. Closing off rooms that aren’t in use.

B. Frequently cleaning the furnace filter.

C. Fixing cracks in the walls and floor.

D. Opening the front door in winter to filter and clean warm air

for an heating systems it is better to keep the front door shut so that all the heat energy does not escape outside.

when heat energy is within a closed system ,it can still be utilized to keep the inhabitants warm otherwise there will be an exchange with the cold from winter fall outside the air, and the heating system's efficiency will be reduced

A mass of 2kg has a kinetic energy of 16J.what is the momentum of the body?