Suppose there are two points in space where electric potential has been measured. Point A, at -1m, measures -1000V. Point B, at 1m, measures 1000V. What is the electric field, in V/m?

Suppose we have an electric field of 3000V/m. What is the potential between a point at 10cm and a point at 30cm?

Suppose there exists two plates with a space between them of 1.8cm and an electric field of 51000N/C. If a proton is released on the surface of the positive plate, what is its velocity when it hits the negatively charged plate?

Suppose we have a proton and some point 0.053nm from the proton. What is the electric potential at said point? Now suppose there is an electron at this point. What is the potential energy of this electron?

What would a #SpaceForce look like? The answer is probably a lot like what we already have.

Suppose there is a container with a piston that can be moved to increase or decrease the container's volume. Inside this container is a gas at a pressure of 1,500,000Pa and temperature of 200C. The initial volume within the container is 0.025m^3. The piston is moved out of the container until the pressure is 950,000Pa. What is the final volume of the container?

Just one thing I noticed with many conversations about the de-platforming of Alex Jones/#InfoWars. There seems to be confusion, and in some cases purposeful ignorance/stupidity/deception, regarding the difference between the term "public" when used to mean a government, and "public" when used to describe a company.

Suppose a bag is filled with a gas until the bag's volume reaches 22.4L. The temperature and pressure of the gas within the bag remain constant at 20C and 1atm respectively. How much gas has been introduced into the bag by the time its volume has reached 22.4L?

Diving right in to Minecraft 1.13 aquatic update!

What is the difference between nuclear fusion and nuclear fission?

Phys in 4 is a series of instructional videos in which concepts from physics and chemistry are explained in less time than it takes to create a video that is 4GB in length.

Is there a difference between centripetal acceleration and centripetal force, and if so, what is it? If we know the mass of an object moving along a curved path, how can we calculate the centripetal acceleration and/or force?

In this Problems with Physics, we take a look at two trucks having the same momentum but different masses. When the two trucks stop at a light, which truck's braking system does more work?


Created 2 months, 3 weeks ago.

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