When the James Webb Space Telescope is finally launched, what will be its distinguishing characteristic (what about it will really help astronomers)? a. it will observe gamma-rays from the most energetic events in the universe b. it will be the same size and design as the Hubble Space Telescope, which is wearing out c. it will have the largest mirror ever put into space for observing faint objects d. it will allow us to take pictures with the same resolution as a radio dish e. it will be in low Earth orbit, and thus easy for astronauts to repair
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Ababy stroller is a rest on top of a hill which is 10 m high. the stroller and baby have a mass of 20 kg. what is the potential energy of the baby and stroller?
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Several mountains together form a mountain . a few of these combined form a mountain system. several systems combined form a mountain , which can stretch thousands of miles in length.
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An object weighs 40n in air, weighs 20n when submerged in water and 30n when submerged in a liquid of unknown density. what is the density of the liquid?
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Often called simply "velocity," this is the velocity of an object at a particular moment in time.
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When the James Webb Space Telescope is finally launched, what will be its distinguishing characteris...
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