You stand 20 ft from a bottle rocket on the ground and watch it as it...

 

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You stand 20 ft from a bottle rocket on the ground and watch it as it takes off vertically into the air at a rate of 17 fusec. Find the rate at which the angle of elevation from the point on the ground at your feet and the rocket changes when the rocket is 45 ft in the air. At the moment the rocket is 45 ft in the air, the angle of elevation is changing at a rate of rad/sec You stand 20 ft from a bottle rocket on the ground and watch it as it takes off vertically into the air at a rate of 17 fusec. Find the rate at which the angle of elevation from the point on the ground at your feet and the rocket changes when the rocket is 45 ft in the air. At the moment the rocket is 45 ft in the air, the angle of elevation is changing at a rate of rad/sec

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The following is the solution we solve this question by using trigonometry Denote height by h and ... View the full answer