PHYSICS HIGH SCHOOL

When strong solar winds are displaced poleward by our magnetic fields, we get when strong solar winds are displaced poleward by our magnetic fields, we get sunspots. hurricanes in the tropics. droughts and dust bowls in the american west. intense auroral displays. the van allen radiation belts?

Answers

Answer 1
Answer: We get intense auroral displays.

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HIGH SCHOOL

A jet with mass m = 5 × 104 kg jet accelerates down the runway for takeoff at 1.9 m/s2. What is the net vertical force on the airplane as it levels off?

Answers

The first sentence got me all psyched up to answer the question "What
horizontal force do the engines generate in order to accelerate it ?". 

But the actual question, in the second sentence, turned out to be
a completely different one.

When the plane levels off and continues on at a constant altitude, it's
not accelerating up or down, so the net vertical force on it is zero. 
The lift generated by the wings is exactly balancing the downward
force of gravity on the airplane.
HIGH SCHOOL

The transfer of heat by direct contact is called?

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Conduction is the transfer of heat by direct contact. If two things are touching each other, then they have direct contact.
All matter is made up of molecules and atoms. These atoms are always in different types of motion (translation, rotational, vibrational). The motion of atoms and molecules creates heat or thermal energy. All matter has this thermal energy. The more motion the atoms or molecules have the more heat or thermal energy they will have.
Conduction
HIGH SCHOOL

The model that describes a Sun-centered solar system is called theA.laws of motion.B.geocentric model.C.heliocentric model.D.general theory of relativity.

Answers

The answer is C the heliocentric model.
MIDDLE SCHOOL

A snowball is thrown with an initial x velocity of 7.5 m/s and an initial y velocity of 8.4 m/s . Part A How much time is required for the snowball to reach its highest point

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In order to calculate the time taken by the snowball to reach the highest point in its journey, we need to consider the variables along the y-direction.

Let us list out what we know from the question so that we can decide on the equation to be used.

We know that Initial Y Velocity = 8.4 m/s

Acceleration in the Y direction = -9.8 m/, since the acceleration due to gravity points in the downward direction.

Final Y Velocity = 0 because at the highest point in its path, an object comes to rest momentarily before falling down.

Time taken t = ?

From the list above, it is easy to see that the equation that best suits our purpose here is

Plugging in the numbers, we get 0 = 8.4 - (9.8)t

Solving for t, we get t = 0.857 s

Therefore, the snowball takes 0.86 seconds to reach its highest point.

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