the force in each of the chains holding the trapeze bar is D. 330 N
Her weight has to be divided evenly so, divide 660/2= 330 N
-- The source of most of the energy that radiates from the sun is nuclear energy.
-- Most of the energy that radiates from the sun is electromagnetic energy.
-- Heat energy is part of the electromagnetic energy that radiates from the sun.
Other parts include radio, microwave, visible light, ultraviolet, and X-ray energy.
Answer: maximum height= 40.8m
Explanation: shown in the attachment.
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Average speed = distance / time
Average speed = 90 km / 0.5 hrs
Average speed = 180 km per hour