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Physics, 21.06.2019 22:30
An engineer designs a roller coaster so that a car travels horizontally for 162 ft, then climbs 127 ft at an angle of 31.0° above the horizontal. it then moves 127 ft at an angle of 46.0° below the horizontal. if we take the initial horizontal motion of the car to be along the +x-axis, what is the car's displacement? (give the magnitude of your answer, in ft, to at least four significant figures and give the direction of your answer in degrees counterclockwise from the +x-axis.)
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Physics, 22.06.2019 03:30
What is the momentum of a 2 kg object moving at 15 meters per second
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Physics, 22.06.2019 19:40
Which of the following is a characteristic shared by both electron and light microscopes? a. they both employ the use of objective lenses. b. both microscopes require an internal camera to visualize the specimen. c. both microscopes have a resolving power of 0.01 nm. d. they both utilize white light to magnify the specimen.
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Physics, 23.06.2019 01:00
Two point charges are separated by a certain distance. how does the strength of the electric field produced by the first charge
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Mathematics, 03.03.2021 03:00
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Biology, 03.03.2021 03:00
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English, 03.03.2021 03:00
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Mathematics, 03.03.2021 03:00
Mathematics, 03.03.2021 03:00
Mathematics, 03.03.2021 03:00