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Explaining how capacitors work

Capacitors work through the build up of current on their two opposing plates. Current in the form of negatively charged electrons builds up on one plate which in turn repels electrons on the other plate m...

Answered by Ryan M. Physics tutor
1863 Views

What is the escape velocity of an object leaving a planet mass M, radius R?

As the object leaves the surface of the planet, it loses kinetic energy and gains gravitational potential energy. Through conservation of energy we know the loss of kinetic energy must be equal to the gai...

Answered by Thomas R. Physics tutor
1961 Views

How do I calculate the position of the first order diffraction peak in a double-slit experiment?

The horizontal position x (measured from the optical axis) of a point on the screen at distance D from the double slit with slit separation a is related to the angle of diffraction Φ via...

Answered by Charles M. Physics tutor
2018 Views

How do you calculate the specific heat capacity of a substance?

c = EmΔt. With E being the thermal energy during the transfer, m being the mass of the substance, and Δt being the change in temperature.Usually they'll hide one of the values E, m or Δt in a different eq...

Answered by Gabriel Thomas N. Physics tutor
4483 Views

The roar of a tiger in a zoo can be heard by visitors at the entrance, even though the tiger can not be seen because there is a hill in the way. Name and explain this effect.

This effect is called diffraction. This occurs when waves spread over obstacles or through gaps.

Answered by Matilda C. Physics tutor
2302 Views

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