# Project #51778 - Trig3

1) A security car with its spotlight on is parked 40 meters from a warehouse. Consider θ and x as shown in the figure. Write θ as a function of x.

2) A weight is oscillating on the end of a spring (see figure). The position of the weight relative to the point of equilibrium is given by   where y is the displacement(in meters) and t is the time (in seconds). Find the time when the weight is at the point of equilibrium (y = 0) for 0 ≤ t ≤ 1.

3) The horizontal distance d (in feet) traveled by a projectile with an initial speed of v feet per second is modeled by:

where θ is the angle at which the projectile is launched.

Find the horizontal distance traveled by a golf ball that is hit with an initial speed of 100 feet per second when the ball is hit at an angle of θ = 40°. Round to the nearest foot.

Question 1

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Question 2

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Question 3

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Question 4

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Question 5

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Question 6

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Question 7

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Question 8

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Question 9

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Question 10

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Question 11

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Question 12

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Question 13

 A. -2.419 B. 2.419 C. Undefined D. 2.410 E. -2.410

Question 14

 A. Undefined B. C. D. E.

Question 15

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Question 16

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Question 17

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Question 18

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Question 19

 A. -0.333 B. Undefined C. 0.333 D. -0.322 E. 1

Question 20

 A. Undefined B. 0.5 C. -0.5 D. -0.524 E. 0

 Subject Mathematics Due By (Pacific Time) 12/14/2014 08:00 am
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