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What is polarized light?

When something emits light, the waves produced usually have their oscillation moving at all different angles. You can have some oscillating left and right, up and down, at a 45-degree angle, or any angle ima...
JP
Answered by Jack P. • Physics tutor
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What is the difference between current and voltage?

Current and voltage are closely related properties of a circuit, one is caused by the other. What we refer to as voltage is in reality just a difference in charges, so, a difference in the amount of electron...
BC
Answered by Brian C. • Physics tutor
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Give two features of polar orbits. Suggest the use of a satellite in a polar orbit.

-They have a period of 24 hours -They lie above the equator A satellite in a polar orbit could be used for various things such as weather forecasting, GPS, to provide network services such as internet and mo...
ZM
Answered by Zahra M. • Physics tutor
7336 Views

What properties makes an object stable?

An object will be stable if the centre of mass, the point at which all of the mass of the object is concentrated, is lower to the ground. It will also be stable if there is a wide base. Objects with low cent...
EA
Answered by Edward A. • Physics tutor
13782 Views

A car accelerates (at a constant acceleration) from a velocity of 25m/s to 34m/s in 6s. Calculate the cars acceleration.

Acceleration is defined as A = change in velocity / time, For this example A = (34-25 )/ 6 = 9/6 = 1.5 m/s^2
SK
Answered by Sarah K. • Physics tutor
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