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128. Compute the relative error and absolute error when measuring the area of a rectangle of length, e = (10 1 0.2) m and width, w=(6+0.1) m, then find the area A

128. Compute the relative error and absolute error when measuring the area of a rectangle of length, e = (10 1 0.2) m and width, w=(6+0.1) m, then find the area A

College Physics
College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter2: Kinematics
Section: Chapter Questions
Problem 19CQ: What is the last thing you should do when solving a problem? Explain.
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Measurments Errors 128. Compute the relative error and absolute error when measuring the area of a rectangle of length, e = (10 t 0.2) m and width, w = (6+0.1) m, then find the area A 129. If X = (S + 0.1) and Y= (3 +0.05). Find; a) X + Y b) x-Y c) 4X+ Y c) 2X 10 +0.1 130. A square of length (10 + 0.1) cm. Calculate; a) Area of the square b) The diagonal. Calculate; 131. A rectangle of length e = (5+0.1) cm and width w= 4 cm. a) Area b) Perimeter 132. Measurement accuracy is best described by --- A. Absolute error B. Smaller relative error C. Larger relative error D. All 133. A circle of radius R= (10 + 0.2) m. Calculate; a) The diameter D b) The circumference C c) The area A 134. Mark measures the'mass of an iron block as (30 + 3) kg meanwhile Erick measures another mass as (40 + 2) kg. Estimate the relative error of both students and decide who is more accurate? 135. A sphere of radius of radius R= (30 +1.5) cm. Calculate; a) The surface area. b) The volume of the sphere. Knowing that; V (sphere) = n R 136. An iron solid cube of side L= (10 + 1) cm and its mass is measured as, m = (5+ 0.1) kg. Calculate the mass density of the sphere, knowing, that density is the mass per unit volume. 137. If the distance covered by a moving body is d = (100 + 2) m through a time t= (40+ 1) sec. Find the absolute error of the velocity. 121
Transcribed Image Text:Measurments Errors 128. Compute the relative error and absolute error when measuring the area of a rectangle of length, e = (10 t 0.2) m and width, w = (6+0.1) m, then find the area A 129. If X = (S + 0.1) and Y= (3 +0.05). Find; a) X + Y b) x-Y c) 4X+ Y c) 2X 10 +0.1 130. A square of length (10 + 0.1) cm. Calculate; a) Area of the square b) The diagonal. Calculate; 131. A rectangle of length e = (5+0.1) cm and width w= 4 cm. a) Area b) Perimeter 132. Measurement accuracy is best described by --- A. Absolute error B. Smaller relative error C. Larger relative error D. All 133. A circle of radius R= (10 + 0.2) m. Calculate; a) The diameter D b) The circumference C c) The area A 134. Mark measures the'mass of an iron block as (30 + 3) kg meanwhile Erick measures another mass as (40 + 2) kg. Estimate the relative error of both students and decide who is more accurate? 135. A sphere of radius of radius R= (30 +1.5) cm. Calculate; a) The surface area. b) The volume of the sphere. Knowing that; V (sphere) = n R 136. An iron solid cube of side L= (10 + 1) cm and its mass is measured as, m = (5+ 0.1) kg. Calculate the mass density of the sphere, knowing, that density is the mass per unit volume. 137. If the distance covered by a moving body is d = (100 + 2) m through a time t= (40+ 1) sec. Find the absolute error of the velocity. 121
128. C- 129. If 130. A 131. A 132. Me 133. A 134. Ma 135. A sp 136. An i Calc 137. If the Find
Transcribed Image Text:128. C- 129. If 130. A 131. A 132. Me 133. A 134. Ma 135. A sp 136. An i Calc 137. If the Find
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