Answers: 3
Physics, 22.06.2019 01:20
An engineer designs a roller coaster so that a car travels horizontally for 152 ft, then climbs 137 ft at an angle of 34.0° above the horizontal. it then moves 137 ft at an angle of 48.0° 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.)
Answers: 1
Physics, 22.06.2019 05:00
Unpolarized light falls on two polarizer sheets whose transmission axes are at right angles. a third polarizer is placed between the first two so that its axis makes a 52-degree angle with the axis of the first polarizer. a) what fraction of the incident light intensity is transmitted through the first polaroid? b) what fraction of the incident light intensity is transmitted through the second polaroid? c) what is the angle of polarization of the light that enters the third polaroid? d) what fraction of the incident light intensity is transmitted through the third polaroid. e) what happens if the middle polaroid is removed?
Answers: 3
Physics, 22.06.2019 19:30
Which of these has some mechanical energy? a. an atom b. heat inside earth c. a book on a shelf d. the fire from a lit match
Answers: 1
Physics, 22.06.2019 20:30
Which statement best describes the direction of the buoyant force on any object? a. opposite the force of gravity b. in the same direction as the weight c. in the direction of motion of the object d. opposite the direction of motion of the object
Answers: 1
When operated on a household 110.0 V line, typical hair dryers draw about 1650 W of power. The curre...
Biology, 27.10.2020 23:00
Mathematics, 27.10.2020 23:00
Social Studies, 27.10.2020 23:00
English, 27.10.2020 23:00
Advanced Placement (AP), 27.10.2020 23:00
History, 27.10.2020 23:00
Mathematics, 27.10.2020 23:00
English, 27.10.2020 23:00
English, 27.10.2020 23:00
Mathematics, 27.10.2020 23:00
Mathematics, 27.10.2020 23:00
Health, 27.10.2020 23:00