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3.
Dr. Francis conducted several trials to compare the kinetic energy of a hollow tube to a solid
cylinder. He knows that the kinetic energy of each object is 1,152 J. The speed of the hollow
tube is 12 m/s, and the speed of the solid cylinder is 8 m/s. What is the difference between
the mass of the tube and the mass of the cylinder?

b) k’(6, 4); l’(3, 3)

step-by-step explanation:

a 270° clockwise rotation maps every point (x, y) to (y, -x). (it negates the x-coordinate and then switches it and the y-coordinate.)

this means the endpoints of the side congruent to kl, k' and l', would be mapped as:

k'(-4, 6)→(6, 4)

l'(-3, 3)→(3, 3)

just get this app called photo math it should be able to do those

for the free

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