Physics, 21.12.2019 21:31 amortalstardev
Rockets are able to accelerate in space because: a. they have excess fuel to burn from their initial take-off c. the force of gravity propels them b. they push exhaust in the same direction as they wish to accelerate d. they push exhaust in a direction opposite to the direction that they wish to accelerate
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Physics, 22.06.2019 07:30
The slope of a velocity time graph over any interval of time gives the during that interval
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Physics, 22.06.2019 13:00
The substances that are necessary for producing of certain hormones and that store and transport vitamins
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Physics, 22.06.2019 13:30
If the spring constant k of a pogo stick is 3500 n m and the weight of the person on the pogo stick is 700 n, how much is the spring in the botom of the pogo stick compressed?
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Physics, 22.06.2019 19:50
Aleaky 10-kg bucket is lifted from the ground to a height of 15 m at a constant speed with a rope that weighs 0.7 kg/m. initially the bucket contains 45 kg of water, but the water leaks at a constant rate and finishes draining just as the bucket reaches the 15-m level. find the work done. (use 9.8 m/s2 for g.) show how to approximate the required work by a riemann sum. (let x be the height in meters above the ground. enter xi* as xi.) lim n → ∞ n (9.8)(45−3 xi) i = 1 δx express the work as an integral. 0 dx evaluate the integral. (round your answer to the nearest integer.) j
Answers: 3
Rockets are able to accelerate in space because: a. they have excess fuel to burn from their initia...
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