Physics, 20.11.2020 21:30 itscheesycheedar
A driver loses control of his car and drives off the road into a ditch. The car lands 2.7 meters below the road and 24 meters horizontally from the edge of the road. How fast was the car traveling as it left the road?
Answers: 3
Physics, 22.06.2019 16:50
Consider the growth of a 20-nm-diameter silicon nanowire onto a silicon wafer. the temperature of the wafer surface is maintained at 2400 k. assume the thermal conductivity of the silicon nanowire is 20 wm-1k-1 and all its surfaces including the tip are subjected to convection heat transfer with the coefficient h = 1×105 wm-2k-1 and t∞ = 8000 k. when the nanowire grows to l = 300 nm, what is the temperature of the nanowire tip (t (x =
Answers: 1
Physics, 23.06.2019 02:30
Aheavy boy and a lightweight girl are balanced on a massless seesaw. the boy moves backward, increasing his distance from the pivot point. what happens to the seesaw? it is impossible to predict without knowing additional information. the side the boy is sitting on will tilt downward. the side the girl is sitting on will tilt downward. nothing; the seesaw will remain balanced.
Answers: 2
Physics, 23.06.2019 04:31
Ivana walks 2km north then turns around and walks 3km south
Answers: 1
A driver loses control of his car and drives off the road into a ditch. The
car lands 2.7 meters be...
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