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Clark Webb
When are magnets attracted and when are they repelled.
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Guest
Dura mater location?
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Dingo
El Nino begins with which of the following?

-upwelling of cold ocean water

-the westward movement of winds and currents in the pacific

-heavy mudslides in california and tornadoes in florida

-the eastward movement of winds and currents in the pacific
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Guest
How does Rutherford's model of the atom compare with Thomson's model?

A.) They both describe atoms as small, indivisible spheres.

B.) They both describe electrons as moving around the nucleus.

C.) They both describe electrons as being surrounded by the positive matter.

D.) They both describe atoms as being made up of positive and negative matter.
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Madyson Hudson
Find the force needed to lift a 3,000 - N weight using a machine with a mechanical advantage of 15
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Levi Murillo
A 1000-kg sports car accelerates from rest to 95 km/h in 6.4 s. What is the average power delivered by the engine
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Eden Dixon
What effect does the sun have on Earth's tides? A. The pull of the sun cancels the pull of the moon when they are on opposite sides of Earth, causing lower high tides. B. The pull of the sun combines with the pull of the moon when they form a right angle with Earth, causing very high tides. C. The pull of the sun cancels the pull of the moon when they form a right angle with Earth, causing very high tides. D. The pull of the sun combines with the pull of the moon when they are on the same side of Earth, causing very high tides.
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Jax Frank
Powered and rotating type concrete troweling machines that are manually guided shall be equipped with a control switch that will automatically shut off power whenever hands of the operator are removed from equipment handles.

True or False?
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Arely Park
What is a Lunar Eclipse in (exactly) 7 words?
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Kaiya Hebert
According to de broglie, as the momentum of a moving particle is tripled, the corresponding wavelength changes by what factor?
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Bugsy
A new battery has an emf of 1,52 V. When a wire of negligible resistance is connected between the terminals of the battery, a current of 7,05 A is produced. Find the internal resistance of the battery.
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Braydon Oneal
Some headpieces also employ noise reduction technology to eliminate sounds not coming from the earpieces of the stethoscope. How might such technology work?
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Grant Fritz
The barrel of a rifle has a length of 0.886 m. A bullet leaves the muzzle of a rifle with a speed of 623 m/s.

What is the acceleration of the bullet while in the barrel? A bullet in a rifle barrel does not have constant acceleration, but constant acceleration is to be assumed for this problem
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Sasha Hopkins
What could be done for Ultimate Frisbee to become as popular as football or basketball?
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Braeden Peters
When a fluid is heated, what changes occur?

It becomes less dense and begins to rise.

It becomes more dense and begins to rise.

It becomes less dense and begins to sink.

It becomes more dense and begins to sink.
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