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23 Nov 2019
From a boat approaching Nantucket island, a sailor can see theBrant point light house which sits on the edge of the shore. Thesailor knows that the light house is 8.0m tail. Using a compass, henotes that the light house subtends an angle equal to 0.5degrees.
A) How far away is the shore?
B) What angle will be subtended when the sailor is 500m from theshore?
A windmill is turning at 80 rpm.
A) What is the angular speed in radians/sec?
B) How long does it take for the windmill to make 1 revolution?
From a boat approaching Nantucket island, a sailor can see theBrant point light house which sits on the edge of the shore. Thesailor knows that the light house is 8.0m tail. Using a compass, henotes that the light house subtends an angle equal to 0.5degrees.
A) How far away is the shore?
B) What angle will be subtended when the sailor is 500m from theshore?
A windmill is turning at 80 rpm.
A) What is the angular speed in radians/sec?
B) How long does it take for the windmill to make 1 revolution?
Elin HesselLv2
3 Apr 2019
