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Physics

Tobias Kidd

An alien has landed on the planet and asks you, "what is kinetic?" what would you tell them?

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Physics

Kayla Swanson

What is the momentum of a 0.2kg ball with a speed of 5 m/s

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Physics

Waylon Mathis

The illuminance on a surface is 3.5 lux, and the surface is 2 meters from the light source. What's the intensity of the source?

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Physics

Admiral

The initial position and velocity of a projectile are given by r₀ = 3i+4j and v₀ = 6i+8j respectively, and where r is in m and v in m/s. The position in the horizontal direction (in m) as a function of time is:

A. x (t) = 6t

B. x (t) = 4 + 8t

C. x (t) = 3 + 6t + The initial position and velocity of a projectile gt²

D. x (t) = 3 + 6t

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Physics

Aaden

Pikes Peak near Denver, Colorado, has an elevation of 14,110 ft. Calculate the pressure at this elevation using three different methods. (a) Determine the pressure at this elevation using the standard atmosphere equation. (b) Determine the pressure assuming the air has a constant specific weight of 0.07647 lb/ft3. (c) Determine the pressure if the air is assumed to have a constant temperature of 59 oF.

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Physics

Cowboy

Which of the following was one result of the Treaty of San Stefano?

a. Serbia became a country.

c. Hungary got its own parliament in Budapest.

b. Austria-Hungary became a dual monarchy.

d. Hungarians rose up against Austrians.

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Physics

Shyanne Brady

What's the third prong on an electric plug called?

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Physics

Bruno Kirby

You are operating a pwc. you are heading straight toward a dock. you turn the engine off and then turn the steering control hard right. which way will the pwc go?

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Physics

Carissa

If the north pole of a magnet in a compass is attracted to Earth's geographic north, what must be the polarity of Earth's magnetic north pole? A. north B. south C. It can't be determined from the information given.

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Physics

Leonidas Shelton

Wind energy spins the blades on this wind turbine. The mechanical energy of the moving blades is used to generate electricity. But wind turbines are not suited to all areas of the country, because in some places there's is not enough wind. Why is an eternal energy source, in this case wind, needed to keep the blades spinning?

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Physics

Rebecca Graham

bubba approach billie and gives him a swift shove. timid little billie keeps his hands in his pocket during this interaction. subsequently, while bubba places a force upon billie, billie does not place a force upon bubba

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Physics

Adrienne

How do you find the net force acting on an object?

A. Find the largest force on the object.

B. Find the reaction force.

C. Assume there is no friction.

D. Add all the force vectors.

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Physics

Nibbles

The heliocentric theory stated that the earth was the center of the solar system and that the sun circles it.

a. True

b. False

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Physics

Guest

Which type of property of matter can be observed without changing the composition of the substance?

Question 2 options:

chemical properties

physical properties

irreversible properties

reversible properties

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Physics

Alfonso Hess

How many joules are released as 10.0g of steam at 110℃ cools to produce water at 25℃?

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