A body is projected at 30° with the horizontal. The air offers resistance in proportion to the velocity of the body. Which of the following statements is correct?
a. The trajectory is a symmetrical parabola.
b. The time of rise to the maximum height is equal to the
time of return to the ground.
c. The velocity at the highest point is directed along the horizontal
d. The sum of the kinetic and potential energies remains constant.
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2
Answer:
the time of rise to maximum height is equal to the time of return to ground
Answered by
3
Answer:
(c) The velocity at the highest point is directed along the horizontal.
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