What is the advantage of working with a trainer over looking at exercises online when you are starting a workout routine? A.
You can find free information online.
B.
There is no advantage—either will work.
C.
A trainer will have fewer options for exercise.
D.
A trainer can make sure that you have the right form.

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(a) assume the equation x = at^3 + bt describes the motion of a particular object, with x having the dimension of length and t having the dimension of time. determine the dimensions of the constants a and b. (use the following as necessary: l and t, where l is the unit of length and t is the unit of time.) (b) determine the dimensions of the derivative dx/dt = 3at^2 + b. (use the following as necessary: l and t, where l is the unit of length and t is the unit of time.)

Abar magnet cut in half will form a total ofpoles.a)fourb)eightc)two

What you see with your eyes is a form of energy. a. light b. heat c. chemical d. electrical