Physics, 29.01.2021 01:00 winterblanco
A car is traveling east at an unknown initial velocity. Without changing directions, it accelerates at 0.75 m/s2 for a distance of 300 m increasing its velocity to 30 m/s. What was the initial velocity of the car
Answers: 1
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Which of these is constant for all types of electromagnetic radiation in a vacuum? select one: a. wavelength b. frequency c. photon energy d. amplitude e. velocity
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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
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Physics, 22.06.2019 22:00
Use 4 to 5 complete sentences, explain the concepts of beats and how beats are produces.
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Physics, 23.06.2019 00:00
What is the difference between mass density and weight density?
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A car is traveling east at an unknown initial velocity. Without changing directions, it accelerates...
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