Power. is the rate of doing work or the rate of using energy, which are numerically the same. If you do 100 joules of work in one second (using 100 joules of energy), the power is 100 watts.
http://hyperphysics.phy-astr.gsu.edu/hbase/work.html
Energy. is the capacity for doing work. You must have energy to accomplish work-it is like the currency for performing work. To do 100 joules of work, you must expend 100 joules of energy.
http://hyperphysics.phy-astr.gsu.edu/hbase/work.html
Go Back. For a straight-line collision, the net work done is equal to the average force of impact times the distance traveled during the impact. If a moving object is stopped by a collision, extending the stopping distance will reduce the average impact force. The rate of doing work is equal to the rate of using energy since the a force transfers one unit of energy when it does one unit of work. A horsepower is equal to 550 ft lb/s, and a kilowatt is 1000 watts.
http://hyperphysics.phy-astr.gsu.edu/hbase/work.html
The first pressure plus the density times gravity times the height plus one-half the density times the first velocity squared is equal to the second pressure plus the density times gravity times the second height plus one-half the density times the second velocity squared (Bernoulli's equation).   .
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Most likely it means electric current, since Q is usually used for electric charge, I is used for current, and t stands for time. So Q = It would mean Q, the total amount of electric charge, equals the current (which is charge per unit time) multiplied by length of time the current runs. It's like the equation d = vt, where d is distance, v is velocity, and t is time (again). The distance you travel is equal to your velocity times the amount of time you spend travelling.
https://uk.answers.yahoo.com/question/index?qid=20121027095106AAMJAmf
Q has a number of uses in physics... It could be... The first moment of area about a neutral axis The quality factor of an oscillator An arbitrary coordinate Electric charge Heat The position operator in quantum mechanics (in some cases) Those are a few, if I've forgotten any my apologies.
https://uk.answers.yahoo.com/question/index?qid=20121027095106AAMJAmf
m = h(i)/h(o) = d(i)/d(o). The magnification of an image is equal to the height of the image divided by the height of the object which is also equal to the image distance divided by the object distance.
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n(1)sinθ(1) = n(2)sinθ(2). The index of refraction of the first material times the sine of the incident angle is equal to the index of refraction of the second material times the sine of the resultant angle.
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Work. refers to an activity involving a force and movement in the directon of the force. A force of 20 newtons pushing an object 5 meters in the direction of the force does 100 joules of work.
http://hyperphysics.phy-astr.gsu.edu/hbase/work.html
what does t equal in physics
T equal in physics is the distance you travel is equal to your velocity times the amount of time you spend travelling. In Physics, t is equal to the distance you travel is equal to your velocity times the amount of time you spend travelling.