Asked by Carri
Two chains of length 1.0m are used to support a lamp the distance between the two chains along the ceiling is 1.0m. what is the vertical distance from the lamp to the ceiling?
Answers
Answered by
drwls
The chain length is L = 1 meter.
The chains hang at an angle
sin^-1(0.5) = 30 degrees from vertical.
The distance of the lamp from the ceiling is L*cos30 = 0.866 meters
This is not about physics
The chains hang at an angle
sin^-1(0.5) = 30 degrees from vertical.
The distance of the lamp from the ceiling is L*cos30 = 0.866 meters
This is not about physics
Answered by
Anonymous
how to solve the driver of a pickup truck going 100km/h applies the brakes, giving the truck a uniform deceleration of 6.50m/s2 while it travels 20.0m. a) what is the speed of the truck in kilometers per hour at the end of the distance? b)how much time has elapsed?
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