, 08.11.2019 02:31 carcon2019

# The soild fuel rocket boosters used to launch the space shuttle are able to lift the shuttle 45 kilometers above earths surface during the 2.00 min that boosters operate the shuttle accelerates from rest to a speed of nearly 7.50 10^2 m/s what is the magnitude of the shuttles average acceleration

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Physics, 21.06.2019 14:50
Let d be the distance from your house to your friend’s house (measured in miles), x be your speed on the way there and y be your speed on the way back (both measured in dist. miles per hour). show that your average speed on the trip total time taken , is best described by the harmonic mean.
Physics, 22.06.2019 04:10
Seurat made paintings in which separate dots of color are placed close together on the canvas, and from a distance they merge in the eye to form an image. consider such a painting with the dots in the painting separated by 1.2 mm and that the wavelength of the light is λ_vacuum = 530 nm. find the distance at which the dots can just be resolved by the human eye.