PHYSICS HIGH SCHOOL

How many moons does Venus have?
a. 3
b. 6
c. 0
d. 12

Answers

Answer 1
Answer: The question is asking how many moons Venus, the planet, has and the answer is 0 -Venus doesn't have any moons. Another planet that doesn't have any moons is Mercury. Earth has one moon and Mars has two moons. Jupiter has 4 moons and the most impressive is Saturn, with its 53 confirmed moons (as claimed by Nasa)!
Answer 2
Answer: C. 0
Venus has no moons at all!

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An equilibrium constant is not changed by a change in pressure
a. True
b. False

Answers

Answer:True

Explanation:In an ideal situation, equilibrium constants cannot be altered if you change the pressure of a system. However, only change in temperature can result to change in equilibrium constants. If there are the same value of molecules on either side of the equation, then a change of pressure is insignificant to the position of equilibrium.
Hi There! :)


An equilibrium constant is not changed by a change in pressurea. True
b. False

False! :P

My dog Callie can run at 21 mi/h. How far can he travel in 10 hours?

Answers

Answer: 210 miles

Explanation:

21 mi/1 hr

21 * 10 hrs

210 mi

Explain why the current is reduced as electrons move through a conductor.

Answers

The current is reduced as less energy is available to move electrons through the wire.


This is because electrons moving through the conducting substance collide with the electrons and ions.


This causes collisions which further more convert kinetic energy into thermal energy because of the fewer energy that is available, it reduces.


Moreover the resistivity factor of the conductor it self might play some role and the loss of energy too.
as current moves through the conductor; the resistance of the conductor causes the original amount of current to reduce do to the length and the cross section size of the wire.

What is the effect on Earth's atmosphere of a strong solar flare?

Answers

The Earth has a magnetic field which prevents the energetic charged particles (high-energy protons) and electromagnetic radiation (x-rays) to penetrate the Earth's atmosphere. However, despite the presence of magnetic field, there are still some noted effects of solar flare towards Earth. Solar flares cause the Earth's atmosphere to obtain high level of ions. There are also some disruptions in wireless communications when solar flares occurs. Another effect of solar flares which is considered of high beauty is the auroras. The magnetic field cannot prevent all charged particles produced from solar flares from penetrating the Earth's atmosphere. Some of this charged particles, specially the electrons, find their way at the poles, either the North or the South. These particles collide with the present particles in the atmosphere which causes friction among particles and glow. 

If the current in the circuit above is 10 amps and the resistance is 3 ohms, what is the voltage?

Answers

It's really difficult to make out the circuit above.  Quite frankly, your
question leaves me to wonder how far 'above' it may be. 
The best I can do will be to try and fabricate an answer based on the
information given in the text of the question, augmented only by my own
training, chutzpah, and life experiences.

If the circuit ... wherever it is ... consists entirely of the single 3-ohm
resistance and no other components, and the current through the
resistance is 10 Amperes, then

             Voltage = (Current) x (resistance)  =  30 volts .

Two objects have mass 8 kg and 25 kg. Which one has more inertia?""

Answers

Answer:

the 25 kg one

Explanation:

The higher the weight the higher the inertia.
lets suppose we blow wind at both of these objects at a very high rate equally, u will notice after some time depending on the strength of wind the 8kg object will probably move earlier than the 25 kg one.
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