Answers: 3
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.)
Answers: 1
Physics, 22.06.2019 12:40
Estimate the schwarzschild radius (in kilometers) for a mini-black hole formed when a superadvanced civilization decides to punish you (unfairly) by squeezing you until you become so small that you disappear inside your own event horizon. (assume that the your weight is 50 kg)
Answers: 1
Physics, 23.06.2019 12:00
Standing at the same location, which organism would have the greatest gravitational attraction to the earth? a- your pet dog b- your pet ant c- your pet opossum d- your pet elephant
Answers: 1
Physics, 23.06.2019 14:30
Kinetic energy depends a. mass b. speed (velocity) c. both of the above d. none of the above
Answers: 2
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