## Question

###### Lighthouse problem A lighthouse stands 500 m Off a straigh shore. and the focused beam Of its light revolves (at constant rale) four limes each minule. As shown in the figure . P is the point on shore closest t0 the lighthouse and Q is point On the shore 200 m from P What is the speed of the beam along lhe shore when it strikes the point Q?

lighthouse problem A lighthouse stands 500 m Off a straigh shore. and the focused beam Of its light revolves (at constant rale) four limes each minule. As shown in the figure . P is the point on shore closest t0 the lighthouse and Q is point On the shore 200 m from P What is the speed of the beam along lhe shore when it strikes the point Q?

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