Aplanet has a period of revolution about the sun equal to tand a mean distance from the sun equal to r. t varies directly as
oa. r
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Which statement best describes how private industry decides where to spend the money on research and development

Assume similar data for the motion of the blood in your aorta. estimate how many beats of the heart it will take the blood to get from your heart to your brain. (assume that the distance from your heart to your brain is 30 cm)

Unpolarized light of intensity so passes through two sheets of polarizing material whose transmission axes make an angle of 60∘ with each other as shown in the figure. what is the intensity of the transmitted beam, st?