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# zoe

Questions0

An electron is moving at a speed of 3.0 × 10^7 m/s at right angles to a magnetic field of strength of 0.45 tesla. What force does the electron experience?

• ### quick physics question?

Why is it that, regardless of the elements, atoms are all nearly the same size relative to each other, but when we look at their masses they vary greatly?

• ### list at each resistor the current, voltage drop, and the total resistance of the circuit.?

HELP PLEAWSE

Physics4 weeks ago

• ### How do I explain how this test charge can end up with kinetic energy, even though it has only PE as it sits there.?

physics homework

• ### PHYSICS HOMEWORK HELP PLEASE?

The water molecule is polarized. Explain what this statement means and what it has to do with why it takes so much energy to change a block of ice to a gas.

• ### An object 4.56 centimeters tall is placed 28.3 centimeters in front of a diverging lens. The lens has a focal length of 45.9 centimeters. ?

How tall is the image?

How far from the lens is the image?

Is the image virtual or real?

Is it upright or inverted?

Physics2 months ago

An object is in front of a convex mirror that has a radius of curvature of 30 centimeters. I have placed an object 18 centimeters from the mirror; it is 5.6 centimeters tall.

Where is the image located?How tall is it? Is the image virtual or real?

physics help

• ### PHYSICS HOMEWORK?

What principle accounts for a curve ball?

• ### PHYSICS HOMEWORK?

Suppose a container has an initial volume of 11.6 L and the gas contained within is exerting a pressure 824 Pa. If we increase the volume of the container to 14.5 L, what will the pressure exerted by the gas be in larger volume? (Temperature is being held constant.)

• ### Physics Homework?

The temperature increases in a container from 356 K to 575 K. The final pressure in the container, which has a capacity of 75 L, is 98.5 kPa. What is the initial pressure?

• ### HOMEWORK HELP?

A given amount of water cools from 68.4°C to 56.7°C. During this cooling process, 12.4 kcal are released into the surrounding area. What is the water’s mass?

• ### Physics homework question?

Explain the daily wind (breeze) cycles that happen at the seashore.