Physics
04.05.2021 15:21
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An explorer is caught in a whiteout (in which the snowfall is so thick that the
An explorer is caught in a whiteout (in which the snowfall is so thick that the ground cannot be distinguished from the sky) while returning to base camp. he was supposed to travel due north for 5.4 km, but when the snow clears, he discovers that he actually traveled 8.1 km at 47o north of due east. (a) how far and (b) in what direction (south of due west) must he now travel to reach base camp?
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lacybyrd
5,0(12 marks)
Actual displacement that he required to move
towards North
Displacement that he moved due to snow is
at 47 degree North of East
now in vector component form we can say
now the displacement that is more required to reach the destination is given as
so the magnitude of the displacement is given as
its direction is given as
so it is 5.54 km towards 5.38 degree North of West.
lyn94
4,7(1 marks)
Since the first law says energy cannot be created or destroyed, it is a great demonstration of the heat energy being used to convert the liquid inside the kettle into a gas. The matter and energy are both converted, but nothing is destroyed or created.
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