정역학[bedford & fowler 5판]
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작성일 20-10-15 01:56
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다운 받으시기전에 한번 확인하시고 일치할시 다운받아주세요.
D 0.1592
Problem 1.5 The Burj Dubai, scheduled for completion
Problem 1.1 The value of is 3.14159265. . . If C is
정역학[bedford & fowler 5판]
the value of e2 to five significant digits.
(a) To five significant figures e D 2.7183
(c) Use the value of e you obtained in part (a) to determine
not correct in the fifth digit.
of the hole is in the range r D 5 š 0.01 mm. (a) To what
h D 2.31 ð 103 ft, AD 8.61 ð 104 ft2
Solution:
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다. 참고하시고 틀린것 없는지 확실히 확인해주세요.
a) The radius is in the range r1 D 4.99 mm to r2 D 5.01 mm. These
자료가 다를시 환불요청하시면 환불받으실수있습니다.
A D 8000 m2
2 D 78.854 m2. These numbers are equal only if rounded
Solution:
height of 705 m. The area of its ground footprint will be
1 m
Solution: The value of e is: e D 2.718281828
1
D 8.61 ð 104 ft2
r
(b) To what number of significant digits can you express
설명
2
the circumference of a circle and r is its radius, determine
to A2 D r2
in 2008, will be the world’s tallest building with a
2.718281828 . . .
참고하시고 틀린것 없는지 확실히 확인해주세요.
2
panel with a nominal radius r D 5 mm. The actual radius
레포트 > 공학,기술계열
솔루션
1
[Part (c) demonstrates the hazard of using rounded-off
customary units to three significant digits.
2
2 D 78.226 m2
D 17.8 m2
A D 192 ft2
to one significant digit:
D
C
r
values in calculations.]
3.281 ft
Problem 1.2 The base of natural logarithms is e D
D 0.159154943.
(c) Using the value from part (a) we find e2 D 7.3892 which is
number of significant digits can you express the radius?
순서
1 m
numbers are not equal at the level of three significant digits, but
wide and 8 ft high, so its area is 24 ft ð 8 ft D 192 ft2.
C
(b) Determine the value of e2 to five significant digits.
they are equal if they are rounded off to two significant digits.
Problem 1.3 A machinist drills a circular hole in a
One: A D 80 mm2
What is its area in m2 to three significant digits?
Problem 1.4 The opening in the soccer goal is 24 ft
the area of the hole?
D 2.31 ð 103 ft
Two: r D 5.0 mm
To four significant digits we have
A D 17.8 m2
Solution:
the value of r/C to four significant digits.
(b) e2 to five significant figures is e2 D 7.3891
3.281 ft
8000 m2. Convert its height and footprint area to U.S.
정역학[bedford & fowler 5판] 입니다. 다운 받으시기전에 한번 확인하시고 일치할시 다운받아주세요. 자료가 다를시 환불요청하시면 환불받으실수있습니다.
Solution: C D 2r )
3.218 ft
(a) Express e to five significant digits.
1 m
b) The area of the hole is in the range from A1 D r1
h D 705 m
정역학[bedford & fowler 5판] 입니다.
