Tag Archives: Physics Solutions

Physics for Scientists and Engineers 3E by R. Knight, P1.29

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

a. \displaystyle 12.5^3

b. \displaystyle 12.5\times 5.21

c. \displaystyle \sqrt{12.5}-1.2

d. \displaystyle 12.5^{-1}

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Physics for Scientists and Engineers 3E by R. Knight, P1.28

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

a. \displaystyle 33.3\times 25.4

b. \displaystyle 33.3-25.4

c. \displaystyle \sqrt{33.3}

d. \displaystyle 333.3\div 25.4

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Physics for Scientists and Engineers 3E by R. Knight, P1.27

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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Physics for Scientists and Engineers 3E by R. Knight, P1.26

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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Physics for Scientists and Engineers 3E by R. Knight, P1.25

Convert the following to SI units:

a) 3 hours

b) 2 days

c) 1 year

d) 215 ft/s

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Physics for Scientists and Engineers 3E by R. Knight, P1.24

Convert the following to SI units:

a) 8.0 in

b) 66 ft/s

c) 60 mph

d) 14 in2

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Physics for Scientists and Engineers 3E by R. Knight, P1.23

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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Physics for Scientists and Engineers 3E by R. Knight, P1.22

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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Physics for Scientists and Engineers 3E by R. Knight, C1E&P21

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/s2. How far must she travel to reach a speed of 7.5 m/s.

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Physics for Scientists and Engineers 3E by R. Knight, C1E&P20

Write a short description of the motion of a real object for which Figure EX1.20 would be a realistic position-versus-time graph.

Figure 1.20 Physics for Scientists and Engineers Third Edition by Randall Knight
Figure EX1.20
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