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Pie
4 years ago
5

Hanna tosses a ball straight up with enough speed to rermain in the air for several seconds

Physics
1 answer:
Ipatiy [6.2K]4 years ago
7 0
What a relief !  That gives her time to step out of the way, before the ball
comes crashing down in the same place where she was standing.
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An electron, moving toward the west, enters a uniform magnetic field. Because of this field the electron curves upward. The dire
Marysya12 [62]

Answer:

<em>The magnetic field's direction is towards the north</em>

<em></em>

Explanation:

The force on a positive charge in a uniform magnetic field is represented by the right hand rule. To determine the direction of the force, place your right hand with your palm up, and your thumb at 90° to the other fingers. If the fingers represent the magnetic field, and the thumb the direction of the positive charge, then the palm will push up in the direction of the force. But a negative charge like an electron pushes in exactly the opposite direction. So if you follow this rule, you will find that the magnetic field points towards the north.

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Who were Socrates and Plato
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The rain shadow effect would be most evident in which direction relative to the rocky mountains?
timofeeve [1]
<span>The rain shadow effect would be most evident in the “Eastern” direction in relative to the Rocky Mountains.

A “Rain-Shadow” is a dry area that is formed on the side of the mountains which are away from the wind. The rain-producing weather systems are blocked by the mountains and a shadow of dryness is cast on that area, without much moisture left in the air.

The Continental Divide in America acts as a great barrier for precipitation.

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6 0
3 years ago
A cup of tea at room temperature of 24°C is heated until it has twice the internal energy. Calculate the final temperature of th
elena-s [515]

The final temperature of the tea cup is 100°C.

<h3>What is internal energy?</h3>

The Internal energy is the energy of a substance due to to the constant random motion of its particles.

The symbol for internal energy of a substance is U and it is measured in Joules.

ΔU = q + W

  • q is the heat, q = mcΔT
  • W is the mechanical work.

In conclusion,  the final temperature of the tea cup at room temperature of 24 °C which is heated until it has twice the internal energy is 100°C.

Learn more about internal energy at: brainly.com/question/24028630

#SPJ1

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2 years ago
1. A heat lamp is designed to keep food and other things warm. Would it also make a good tanning lamp? Why or why not?
NemiM [27]
1. becuase it is so hot that it could tan or be used to keep warm.
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4 years ago
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