From a fixed point on the ground, the distance to a

Chapter 3, Problem 3E

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QUESTION:

From a fixed point on the ground, the distance to a certain tree is measured to be \(s=55.2 \pm 0.1 \mathrm{~m}\) and the angle from the point to the top of the tree is measured to be \(\theta=0.50 \pm 0.02 \text { radians}\). The height of the tree is given by \(&h=s\tan\theta\).

a. Estimate h, and find the uncertainty in the estimate.

b. Which would provide a greater reduction in the uncertainty in h: reducing the uncertainty in s to 0.05 m or reducing the uncertainty in \(\theta\) to 0.01 radians?

Equation Transcription:

Text Transcription:

s=55.2{+/-}0.1 m

=0.50{+/-}0.02 radians

h=s tan theta

Questions & Answers

QUESTION:

From a fixed point on the ground, the distance to a certain tree is measured to be \(s=55.2 \pm 0.1 \mathrm{~m}\) and the angle from the point to the top of the tree is measured to be \(\theta=0.50 \pm 0.02 \text { radians}\). The height of the tree is given by \(&h=s\tan\theta\).

a. Estimate h, and find the uncertainty in the estimate.

b. Which would provide a greater reduction in the uncertainty in h: reducing the uncertainty in s to 0.05 m or reducing the uncertainty in \(\theta\) to 0.01 radians?

Equation Transcription:

Text Transcription:

s=55.2{+/-}0.1 m

=0.50{+/-}0.02 radians

h=s tan theta

ANSWER:

Solution

Step 1 of 5

Here we have to find the uncertainty of the height of the tree

Given height of the tree is

The distance to certain tree is measured to be S=55.20.1 m

From this S=55.2,

The angle from the point to the top of the tree is  

 From this =0.5,


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