Physics, 12.11.2020 18:10 hailscooper7363
A ball is kicked horizontally at 4.6 m/s off a cliff 12.4 m high. How far from the cliff will it land?
A) 2.5 m
B) 4.1 m
C) 1.6 m
D) 7.4 m
Answers: 2
Physics, 22.06.2019 06:30
2kg of refrigerant 134a undergoes a polytropic process in a piston-cylinder assembly from an initial state of saturated vapor at 2 bar to a final state of 12 bar, 80 degree c. a)determine the work for the process in kj. b)sketch the process on a p-v diagram.
Answers: 2
Physics, 23.06.2019 00:00
You are driving to the grocery store at 20 m/s. you are 110m from an intersection when the traffic light turns red. assume that your reaction time is 0.50s and that your car brakes with constant acceleration. how far are you from the intersection when you begin to apply the brakes? what acceleration will bring you to rest right at the intersection? how long does it take you to stop after the light changes? the known values: vi=20m/s xi=110m t=.50s vf=0m/s xf=0m a=?
Answers: 3
Physics, 23.06.2019 01:00
What explosion in the upper solar atmosphere releases about as much energy as millions of 100-megaton hydrogen bombs exploding simultaneously?
Answers: 2
A ball is kicked horizontally at 4.6 m/s off a cliff 12.4 m high. How far from the cliff will it lan...
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