3.4 Self-assessment questions 1. Indicate if the viscosity of a polymer decreases with increases in (a) shear strain rate, (b) molecular weight, (c) temperature (d) pressure.

Q: Date: + e -Co S근 2.

A: i hope you are familiar with the euler's formuaeiz=cosz +i sinz......1if we replace i with…

Q: 25.4 m 4 km hr hr

A: Given data: 25.4 mi/hr - 4 km/hr Here mi/hr - miles per hour km/hr - kilometer per hour

Q: 401 75 1 R m Ru w Hon {R 2 if R=300, find Req between 1 and 2

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Q: 146.88 What is The answer in 2 significant figures?

A: The value 146.88 can be written as,

Q: What is the units for 0.0298, 101.74 and 19.264.

A: According to the given problemgiven equation of wave

Q: 46. A ship travels 50.0 mi on a course of 15.0° south of east and then travels 85.5 mi on a course…

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Q: V OT OP S

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Q: I put sin15 in my calculator and I got .2588?

A: Given that, 0.500=T1Sin(15°)

Q: A proton (q = 1.60 x 10-1º C, m= 1.67 x 10-2" kg) move in a uniform magnetic field B = 0.500 Tî . At…

A: Given information: The magnetic field (B) = 0.500 T i The electric field (E) = -3.00 ×104 i V/m The…

Q: You are given the equation(s) used to solve a problem. Write a realistic problem for which this is…

A: We have to set up a problem that will provide a solution given in the question. By identifying the…

Q: 16. How many significant figures are there in 60.5? Express your answer in numbers (1,2,3,4,5, etc.)…

A: (16) The quantity is given as x=60.5

Q: 4 Пу. i = 1´ i b. 4 II y. · * i = 1´ i d.

A:

Q: How many significant figures are in each of these measurements?

A: 0005 we know all non zero numbers are significant  all zeros in left side of the digit is…

Q: A particle (mass m, charge q) is moving on a circular orbit (radius R) with angular velocity . = 2π…

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Q: How many significant digits are in the exact number 155?

A: Given: The number is 155.

Q: A man weighs 176 lb. Determine the weight in newtons. (1 kg = 2.2 lb)

A: Given Mass of man m = 176 lb To find  Weight of man in Newtons

Q: Fill in the missing number. 123 1 2 ?

A: We have to find the missing number in the following series.  1 2 3  1 2 ?

Q: 7.0 how many significant digits?

A: The zero after a decimal point is counted as a significant figure.

Q: Which of the following has the most significant figures? A: 124.12 B: 124.10 C: 3.05 x 105 D: 1205…

A: The objective of the question is to identify which of the given numbers has the most significant…

Q: 17. 1.2 x103÷ 2.5 x 109 = ? A. 4.8 x10-13 B. 4.8 x105 C. 3.0 x 10-13 D. 3.0 x105

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Q: A force F1 = 4.90 N North and a force F2 = 9.80 N Southwest are added. The resultant vector is…

A: F1 = 4.90 N due north F2 = 9.80 N due south west

Q: 5. If a marathon runner averages 6.5 mi/h, how long does it take him or her to run a 26.22 mi…

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Q: A 200-kg, 2.0-m-radius, merry-go-round in the shape of a flat, uniform, circular disk parallel to…

A: Given:mass of the disk, M = 200 kgradius of the disk, R = 2.0 minitial angular velocity, ωi = 1.2…

Q: A person travels 5 miles west and 4 miles southwest how far did they go

A: Distance is a scalar quantity that is defined as the how much ground an object has covered during…

Q: 17. How many significant digits in 1.1372 x 101° m³ ? *

A: The all non zero digits in a numbers are significant.

Q: When you perform the following operations, how many significant figures should your answer have?…

A: 11.13 kg+22.2 g=? 22.2 g=22.2/1000=0.0222 kg

Q: This is the wrong answer. Also it needs 3 significant figures. Still wrong. Need to find area under…

A: From the graph it is clear that it is straight line passing through origin. So, the equation for…

Q: What mass in kg of rain falls on the lawn in 6 h and 2 min, if each raindrop weighed 13.0 ng and on…

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Q: If M=r x F, what will be the value of (Mr)?

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Q: Compute the combined moment of the two 85-lb forces about (a) point O and (b) point A. The moment is…

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Q: Ques tion No.03 Evaluate the sunface integnl I=faids. uhere a = xi and s Hemis phere fiqure is…

A: The surface is given byx2+y2+z2=a2a normal vector to this surface, can be evaluated by taking its…

Q: A train shown is traveling at a speed of 45mi/hr. A constant braking force of 4300 lbs is applied to…

A: As given, Initial velocity of the system, v1=45 mihr Convert the units of the velocity of the two…

Q: What is eqavilent to 8.0(1m=100)

A: We have, 1 m = 100 cm

Q: Part C Enter the expression -20 + 6D in the answer box using the notation just described. Express…

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Q: 45 mi/h converted to km/h 75 mi/h converted to km/h

A: Given : Speed = 45 mihrTo convert : Speed from mihr to kmhr

Q: KE = (0.5) x 70 kg x (6.95 x 6.95)

A: We know that kinetic energy is given by  KE=1/2mv2

Q: f. Convert 3.056 yd² into m². N

A: The objective of the question is to convert an area measured in square yards into square meters.

Q: Incorrect Question 8 0/ 1 pts Side A=43 and Side B=12, Calculate side H. Give your answer to 1…

A: Given: Side 1 (A) = 43 Side 2 (B) = 12

Q: (b) The magnitude of the resultant force acting on the bracket as shown in Figure Q1(b) is to be Fr…

A: We have three forces F1, F2 and F3 where F2=200 N, F3=260 N and resultant Fr=500 N making an angle…

Q: b. Convert the following. Show complete solution. 1.44.5 cm to mm 2. 65kg to mg 3. 14 mg to g 4.…

A: 1. Converting 44.5 cm to mm as, ∴1 cm = 10 mm⇒44.5 cm10 mm1 cm⇒445 mm Thus, 44.5 cm is equal to 445…

Q: 2.31 was , thanks

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Q: Perform the indicated operations for the following measured values: a. 3.815 g x 1.0410 g = b.…

A: According to question--- what is perform indicated ?

Q: QUESTION 6 A crate is sliding on a level surface with coefficient of kinetic friction, uk, while it…

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Q: A, = -4.00 km, A, = -8.00 km. Express your answer in kilometers. Vo AEO ? |A| JÄ = km

A: In component form, a vector A→ can be written as A→=Axi^+Ayj^ Where, the magnitude of the vector,…

Q: 7. Solve for unknown parameters 30

A: solution is given as