#### Estimate (don’t measure!) the length of a typical car. Give your answer in both feet and meters. Briefly describe how you arrived at this estimate.

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# Category: Physics

#### Estimate (don’t measure!) the length of a typical car. Give your answer in both feet and meters. Briefly describe how you arrived at this estimate.

Continue reading “Physics for Scientists and Engineers 3E by R. Knight, P1.30”

#### Compute the following numbers, applying the significant figure rule adopted in this textbook.

#### a.

#### b.

#### c.

#### d.

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#### Compute the following numbers, applying the significant figure rule adopted in this textbook.

#### a.

#### b.

#### c.

#### d.

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#### Using the approximate conversion factors in Table 1.5, convert the following to SI units to English units without using your calculator.

#### a. 30 cm

#### b. 25 m/s

#### c. 5 km

#### d. 0.5 cm

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#### Using the approximate conversion factors in Table 1.5, convert the following to SI units without using your calculator.

#### a. 20 ft

#### b. 60 mi

#### c. 60 mph

#### d. 8 in

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#### Convert the following to SI units:

#### a) 3 hours

#### b) 2 days

#### c) 1 year

#### d) 215 ft/s

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#### Convert the following to SI units:

#### a) 8.0 in

#### b) 66 ft/s

#### c) 60 mph

#### d) 14 in^{2}

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#### Convert the following to SI units:

#### a) 6.15 ms

#### b) 27.2 km

#### c) 112 km/h

#### d) 72 µm/ms

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#### Draw a pictorial representation for the following problem. Do not solve the problem. What acceleration does a rocket need to reach a speed of 200 m/s at a height of 1.0 km?

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#### Draw a pictorial representation for the following problem. Do not solve the problem. The light turns green, and a bicyclist starts forward with an acceleration of 1.5 m/s^{2}. How far must she travel to reach a speed of 7.5 m/s.

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