A lighthouse is on a small island 3 km away from the nearest point P on a straight shoreline, and its light makes 4 revolutions per minute. At what rate is the beam of light moving along the shoreline when it is 1 km away from P? 80T (a) 3. 140T (b) 80T (c) 70T (d) 3. (e)

A lighthouse is on a small island 3 km away from the nearest point P on a straight shoreline, and its light makes 4 revolutions per minute. At what rate is the beam of light moving along the shoreline when it is 1 km away from P? 80T (a) 3. 140T (b) 80T (c) 70T (d) 3. (e)

Mathematics For Machine Technology

8th Edition

ISBN:9781337798310

Author:Peterson, John.

Publisher:Peterson, John.

Chapter19: Achievement Review—section One

Section: Chapter Questions

Problem 11AR: A shaft is turned at 200 per minute with a tool feed of 132inch per revolution. How many minutes it...

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Estimation

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A lighthouse is on a small island 3 km away from the nearest point P on a straight shoreline, and its light makes 4 revolutions per
minute. At what rate is the beam of light moving along the shoreline when it is 1 km away from P?
80T
(a)
3.
140T
(b)
80T
(c)
70T
(d)
3.
(e)

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