Algebra II Day 14

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Algebra IIDay 14
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You have earned 51 after working 6 hours and
85 after working 10 hours. If you are being paid
at a constant hourly rate, what is that rate of
pay?
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Section 1.5
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(No Transcript)
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12 -14) This is a conversion problem, use
dimensional analysis.
Whats the goal?
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Section 2.2
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Section 2.4
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How long will it take for the drop to grow to
2.75 in ?
Note k slope constant rate of growth
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Stretch a measuring tape snugly around the
earths equator and around a basketball. Now
lengthen the measuring tapes until each levitate
one-half foot above the earth and the basketball,
which measuring tape has bee stretched farther?
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Using a telescope of fixed length, find the
relationship between the distance you stand from
the ruler and the range of sight.
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Task for your team

• Find the height of the flag pole outside.
• Tools Mirror
• Tape measure
• Calculator

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Human Range Finder

• Find how far away an object is without
  measuring the distance.
• 1) Cover up your left eye and with either
• arm extended, line up your thumb and
• the left side of the object.
• 2) Do not move your arm. Switch eyes and
• mentally mark what your left eye sights.

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Human Range Finder (slide 2)

• 3) Estimate the distance between the
• edge of the object and the spot
• you mentally marked.
• 4) Measure the distance from your eye
• to your thumb and the distance
• between your eyes.

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Human Range Finder (slide 3)

• 5) Use similar triangles and proportions to
• estimate your distance from the object.

W i dth
Eyes
Arm length
Distance