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Physics

Nemo

Mrs. Perez added a room temperature copper cube and an aluminum cube she just removed from the freezer to a beaker of boiling water. She left thw cubes in the water for three hours. Which of the following describes a heat flow tha took place during those three hours?

A. From the aluminum cube to the beaker.

B. From the copper cube to the boiling water.

C. From the aluminum cube to the copper cube.

D. From the bolling water to the aluminum cube.

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Physics

Angelique Buchanan

List some exothermic and endothermic processes

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Physics

Cecilia Berg

You did 200 of work lifting a 150 newton-pack. how high did you lift the bookbag

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Physics

Johnathan Rowe

What is meant by e. m. f. class 10 physics.

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Physics

Bridger Prince

How does the Law of Conservation of Energy impact the amount of energy that is available on our planet?

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Physics

Dax Wagner

A brand of a lightbulb has a power of 55w and an efficiency of 1.6% how much power is wasted as heat by this lightbulb

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Physics

Gabriela Bell

If 3,600 J of work is done in 3.0 s, what is the power?

0.00083 W

1,200 W

3,600 W

11,000 w

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Physics

Danica Perez

Why are force fields used to describe magnetic force?

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Physics

Esperanza Jensen

What are the worst dangers of mixing bleach and ammonia-based cleaning solutions?

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Physics

Rayan Heath

How is a transverse wave different than a longitudinal wave?

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Physics

Fernanda Wright

How would the number 67 be correctly produced in ASL?

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Physics

Shawn Rios

34) Fewer than

disability and, of that number, only.

a) 5%; 3-4%

b) 3%; 1-2%

c) 2%; 3-4%

d) 2%; 3-5%

the general population are classified as having an intellectual

are profoundly intellectually disabled.

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Physics

Tipr

The force on a current-carrying wire is a maximum when the current is moving parallel to a magnetic field. true or false

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Physics

Shaniya Strong

Suppose you want to operate an ideal refrigerator with a cold temperature of - 10.0ºC, and you would like it to have a coefficient of performance of 7. 00. What is the hot reservoir temperature for such a refrigerator? (answer in ºC)

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Physics

Guest

A missile is fired from a jet flying horizontally at Mach 1 (1100 ft/s). The missile has a horizontal acceleration of 1000 ft/s2. Calculate its horizontal velocity at 10.0 seconds after it is fired. (Assume constant acceleration of the missile throughout its flight.)

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