Which
of the following is the correct expression of Bernoulli's principle?
*A.
As KE increases, another form of energy must decrease.
B.
As KE increases, other forms of energy also increase.
C.
KE remains relatively stable in a closed loop.
D.
KE has a limited effect upon wavelength.
Which of the following is the correct expression for work?
*A.
W = ▲KE
B.
W = K - ▲E
C.
W = K x ▲E
D.
W = ▲K / ▲E
A spring has a spring constant of 120 newtons per meter. How much potential
energy is stored in the spring as it is stretched .20 meter?
A.
1.2 J
*B.
2.4 J
C.
3.1 J
D.
7.4 J
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