It is noon, and the spy is back from space (see Exercise 69 in Section 2.2) and

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It is noon, and the spy is back from space (see Exercise 69 in Section 2.2) and driving a jeep through the sandy desert in the tiny principality of Alta Loma. He is 32 kilometers from the nearest point on a straight paved road. Down the road 16 kilometers is an abandoned power plant where a group of rival spies are holding captive his superior, code name “N.” If the spy doesn’t arrive with a ransom by 12:50 P.M., the bad guys have threatened to do N in. The jeep can travel at 48 km/hr in the sand and at 80 km/hr on the paved road. Can the spy make it in time, or is this the end of N?


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Data from Exercises 69 section 2.2


Our friend, the spy who escaped from the diamond smugglers in Chapter 1, is on a secret mission in space. An encounter with an enemy agent leaves him with a mild concussion and temporary amnesia. Fortunately, he has a book that gives the formula for the motion of a projectile and the values of g for various heavenly bodies (32 ft/sec2 on earth, 5.5 ft /sec2 on the moon, 12 ft/sec2 on Mars, and 28 ft/sec2 on Venus). To deduce his whereabouts, he throws a rock vertically upward (from ground level) and notes that it reaches a maximum height of 37.5 ft and hits the ground 5 seconds after it leaves his hand. Where is he?

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Calculus For Business, Economics And The Social And Life Sciences

ISBN: 9780073532387

11th Brief Edition

Authors: Laurence Hoffmann, Gerald Bradley, David Sobecki, Michael Price

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