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Category Archives: Engineering Mathematics Blog

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

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

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

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

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

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

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

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

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

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

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

a.

b.

c.

d.

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

a.

b.

c.

d.

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

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

Convert the following to SI units:

a) 3 hours

b) 2 days

c) 1 year

d) 215 ft/s

Convert the following to SI units:

a) 8.0 in

b) 66 ft/s

c) 60 mph

d) 14 in2

Convert the following to SI units:

a) 6.15 ms

b) 27.2 km

c) 112 km/h

d) 72 µm/ms

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?

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.

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

a. $\displaystyle 12.5^3$

b. $\displaystyle 12.5\times 5.21$

c. $\displaystyle \sqrt{12.5}-1.2$

d. $\displaystyle 12.5^{-1}$

a. $\displaystyle 33.3\times 25.4$

b. $\displaystyle 33.3-25.4$

c. $\displaystyle \sqrt{33.3}$

d. $\displaystyle 333.3\div 25.4$

d) 14 in²

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.