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Physics

Drake Pennington

How is the solubility of a solid affected by temperature?

How is the solubility of a solid affected by temperature?

A) As temperature goes up, the solubility goes up.

B) As temperature goes down, the solubility goes down.

C) As temperature goes up, the solubility goes down.

D) As temperature goes down, the solubility goes up.

E) both A and B

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Physics

Cristal Spears

What simple machines would you find in a kitchen?

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Physics

Vegas

What is static electricity and how does it differ from current electricity

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Physics

June Middleton

A protostar forms once the nebular cloud condenses and the core begins

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Physics

Spencer Carr

Current is the flow of what?

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Physics

Blake Avila

Why might an electromagnet be used to pick up old cars in junk yards?

a. Electromagnets are inexpensive and easily create revenue.

b. Electromagnets are powerful and can be turned on and off easily.

c. Electromagnets are easy to operate and can be run by cheap labor.

d. Electromagnets are versatile and can pick up any metallic objects in the yard.

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Physics

Guest

The average radius of Mars is 3,397 km. If Mars completes one rotation in 24.6 hours, what is the tangential speed of objects on the planet's surface? Round your answer to the nearest whole number.

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Physics

Paloma Burch

A car with a mass of 1,500 kg doubles its speed from 50 km/h to 100 km/h. by how many times does the kinetic energy of the car increase

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Physics

Guest

3. Is there a way to dissolve more sugar into a solution that it should hold at that temperature? Explain how this is done and what the solution would be called.

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Physics

Andrew

Like matter, energy cycles continuously through an ecosystem.

a. True

b. False User: Like matter, energy cycles continuously through an ecosystem. True or False

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Physics

Janet Mann

A room is being accelerated through space at 7 m/s2 relative to the "fixed stars." it is far away from any massive objects. if a man weighs 500 n when he is at rest on earth, how much will he weigh in the room?

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Physics

Savannah Richardson

About what is Rigel's surface temperature?

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Physics

Aryana Cross

A 75.2 kg ice skater, moving at 7.7 m/s, crashes into a stationary skater of equal mass. After the collision, the two skaters move as a unit at 3.85 m/s. Suppose the average force a skater can experience without breaking a bone is 4824 N. If the impact time is 0.103 s, what is the magnitude of the average force each skater experiences?

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Physics

Cade Mccarthy

Amy counts the wave crests traveling down a stretched string. Five wave crests pass Amy in two seconds. What is the frequency of the wave?

A. 5.0 Hz

B. 2.5 Hz

C. 10 Hz

D. 2.0 Hz

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Physics

Ashlee Lyons

How does the statement " silence is golden " relate to ethics in communicating at the workplace.?

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