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Physics

Maverick Roth

What is the central core of hair

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Physics

Livia Houston

A star with the same mass of the sun has a newly discovered planet whose semi-major axis of 2.48 au and an eccentricity of 0.08. what is the aphelion distance of the new planet

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Physics

Ruben Ryan

What does a hurricane hunter do

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Physics

Marshmallow

Why is fluorine special in terms of electronegativity?

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Physics

Eliza Munoz

The airbag inflates and deflates quickly so

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Physics

Guest

Two conducting spheres are each given a charge Q. The radius of the larger sphere is three times greater than that of the smaller sphere. If the electric field just outside of the smaller sphere is E0, then the electric field just outside of the larger sphere is:

a. E0

b. 1/3 E0

c. 9 E0

d. 3 E0

e. 1/9 E0

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Physics

Jaylin Bernard

A solenoid with a ferromagnetic core is

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Physics

Oliver Boone

When Cannon and Washburn measured stomach contractions with a balloon, they found that?

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Physics

Bullet

An astronaut weighs 104 newtons on the moon, where the strength of gravity is 1.6 newtons per kilogram. What would she weigh on Mars?

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Physics

Greyson Patton

A chemical bond formed when Adams share three pairs of electrons is

A. an ionic bond

B. a single bond

C. a double bond

D. a Triple bond

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Physics

Amaya Novak

A 1100 kg car rounds a circular turn of radius 24.6 m. Of the road is flat and the coefficient of static friction between the tires and the road is 0.59, how fast can the car go without skidding

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Physics

Waylon

What is the momentum of a 15 kg tire rolling down a hill at 3 m/s?

5 kg • m/s

18 kg • m/s

45 kg • m/s

60 kg • m/s

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Physics

Jaliyah

Which of Newton's laws, when combined algebraically with his law of universal gravitation, can be used to calculate Earth's mass?

A) first

B) second

C) third

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Physics

Roscoe

Why does a balloon filled with helium rise while a balloon filled with an equal volume of average atmospheric air does not?

A. Helium has no mass, but air does.

B. Helium increases the balloon's mass more than air.

C. Helium has a higher density than air.

D. Helium has a lower density than air.

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Physics

Guest

Consider the following controls in an automobile in motion : gas pedal, brake, steering wheel. what are the controls in this list that cause an acceleration of the car?

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