Please use detail steps to solve the problems. 1. The length and width of a rectangular...
Please use detail steps to solve the problems.
1. The length and width of a rectangular room are measured to be 3.714 ± 0.005 m and 4.050 ± 0.005 m. Calculate the area of the room and its uncertainty in square meters. (Express your answers to the correct number of significant figures.)
a) Answer: area_____m^2
b) Answer: uncertainty_____m^2
2. What is the approximate number of galaxies in the known universe, assuming that the Milky Way has an average mass and that all of the mass in the known universe is in galaxies? The mass of the Milky Way is on the order of 1042 kg, and the mass of the known universe is about about 1053 kg.
Answer a) ______galaxies
Homework Answers
Add Answer to:
Please use detail steps to solve the problems.
1. The length and width of a rectangular...
A generation is about one-third of a lifetime. Approximately how many generations have passed since the...
A
generation is about one-third of a lifetime. Approximately how many
generations have passed since the year 0 AD?
The answer is 10^2 generations. I don’t understand how they
got this answer.
We are viewing this in the order of magnitude
Length in Meters (m) Masses in Kilograms (kg) Time in Seconds (s) 10-15 m diameter of proton 10-14 m diameter of large nucleus 10-27 kg- mass of proton 10-10 m diameter of hydrogen atom 10-15 kg mass of bacterium...
324 More Length Meters About the length meters, if you think you have already known it...
324 More Length Meters About the length meters, if you think you have already known it all... You may handle these following instruments with ease. 35 NO 30 25 SU 任务点 章节 More length readings 1.[10 The reading of this Vernier micrometer is in. 10 VERNIER SCALE THIMBLE SCALE 0.000 0 SLEEVE SCALE 0 1 2 20 0.206 0.025 15 ABEI0226 Hint: The bigger division on the sleeve scale is 0.1 inch. 1: 2: 3: 4: 5 2.[] The reading...
1/ Sirius A has a luminosity of 9.98 x 10^27 W and a surface temperature of...
1/ Sirius A has a luminosity of 9.98 x 10^27 W and a surface temperature of about 9400K. What is its radius? A/ r = 7.56 x 10^8 m B/ r = 1.34 x 10^9 m C/ r= 1.26 x 10^13 m D/ r = 7.94 x 10^-14 m 3/ which of the following stellar properties is the most fundamental to a star’s main-sequence and post-main sequence life? A/ temperature B/ mass C/ luminosity D/ radius 4/ Stars Moppit and...
1. Consider a rectangular conducting loop of length l, width w, mass m, and resistance R....
1. Consider a rectangular conducting loop of length l, width w, mass m, and resistance R. Due to gravity g, it is falling out of a uniform magnetic field that points out of the page. At the time shown in the figure, the rate at which heat is released from the loop reaches a constant value P. O © Boo O O BrŐ Figure 1: Loop falling out of a magnetic field (a) Find the magnetic field B in terms...
could someone help me understand these problems, the proper steps to solve them please. 1) A...
could someone help me understand these problems, the
proper steps to solve them please.
1) A person walks first at a constant speed of 1.35 m/s along a straight line from point to point and then back along the line from B to at a constant speed of 0.75 m/s. It takes the person 100s to walk from point @to point . a) What is her average speed over the entire trip? (10 points) b) What is her average velocity...
Please answer ALL parts of these questions and show all work. I will rate my answer....
Please answer ALL parts of these questions and show all work. I
will rate my answer. Thank you!
.
E. Questions Consider the cylinder case. The uncertainty in any one measurement of the density can be determined in the following way. (a) Take the instrumental limit of error associated with the Vernier calipers used to be one-half the least count or smallest measureable increment 8lVernier = 0.001 cm Assume the uncertainty in all linear measurements to be the same and...
A bridge is supported by two types of rectangular cross-section piles located in a river as shown in Figure 1. The widt...
A bridge is supported by two types of rectangular cross-section piles located in a river as shown in Figure 1. The width of the piles is w - 0.5 m and their lengths are either l 2 m or 12 2.5 m. The river of depth of about 20 m runs at 2 m/s. Water density is p 1000 kg/m and its absolute viscosity 1.00 x 10-3 N.s/m2 You are asked to perform dimensional analysis to find the drag force...
A bridge is supported by two types of rectangular cross-section piles located in a river as shown in Figure 1. The widt...
A bridge is supported by two types of rectangular cross-section piles located in a river as shown in Figure 1. The width of the piles is w 0.5 m and their lengths are eitherl 2 m or 12 2.5 m. The river of depth of about 20 m runs at 2 m/s. Water density is ρ-1000 kg/m' and its absolute viscosityH-1 .00 x 103 N.s/m2 You are asked to perform dimensional analysis to find the drag force on the piles,...
A bridge is supported by two types of rectangular cross-section piles located in a river as shown in Figure 1. The wid...
A bridge is supported by two types of rectangular cross-section piles located in a river as shown in Figure 1. The width of the piles is w -0.5 m and their lengths are either lı- 2 m or l2-2.5 m. The river of depth of about 20 m runs at 2 m/s. Water density is p 1000 kg/m3 and its absolute viscosityH 1.00 x 10-3 N.s/m2. You are asked to perform dimensional analysis to find the drag force on the...
A bridge is supported by two types of rectangular cross-section piles located in a river as shown in Figure 1. The widt...
A bridge is supported by two types of rectangular cross-section piles located in a river as shown in Figure 1. The width of the piles is w = 0.5 m and their lengths are either 11-2 m or l2 2.5 m. The river of depth of about 20 m runs at 2 m/s. Water density is p 1000 kg/m3 and its absolute viscosityu- 1.00 x 10-3 N.s/m2. You are asked to perform dimensional analysis to find the drag force on...
A
generation is about one-third of a lifetime. Approximately how many
generations have passed since the year 0 AD?
The answer is 10^2 generations. I don’t understand how they
got this answer.
We are viewing this in the order of magnitude
Length in Meters (m) Masses in Kilograms (kg) Time in Seconds (s) 10-15 m diameter of proton 10-14 m diameter of large nucleus 10-27 kg- mass of proton 10-10 m diameter of hydrogen atom 10-15 kg mass of bacterium...
324 More Length Meters About the length meters, if you think you have already known it all... You may handle these following instruments with ease. 35 NO 30 25 SU 任务点 章节 More length readings 1.[10 The reading of this Vernier micrometer is in. 10 VERNIER SCALE THIMBLE SCALE 0.000 0 SLEEVE SCALE 0 1 2 20 0.206 0.025 15 ABEI0226 Hint: The bigger division on the sleeve scale is 0.1 inch. 1: 2: 3: 4: 5 2.[] The reading...
1. Consider a rectangular conducting loop of length l, width w, mass m, and resistance R. Due to gravity g, it is falling out of a uniform magnetic field that points out of the page. At the time shown in the figure, the rate at which heat is released from the loop reaches a constant value P. O © Boo O O BrŐ Figure 1: Loop falling out of a magnetic field (a) Find the magnetic field B in terms...
could someone help me understand these problems, the
proper steps to solve them please.
1) A person walks first at a constant speed of 1.35 m/s along a straight line from point to point and then back along the line from B to at a constant speed of 0.75 m/s. It takes the person 100s to walk from point @to point . a) What is her average speed over the entire trip? (10 points) b) What is her average velocity...
Please answer ALL parts of these questions and show all work. I
will rate my answer. Thank you!
.
E. Questions Consider the cylinder case. The uncertainty in any one measurement of the density can be determined in the following way. (a) Take the instrumental limit of error associated with the Vernier calipers used to be one-half the least count or smallest measureable increment 8lVernier = 0.001 cm Assume the uncertainty in all linear measurements to be the same and...
A bridge is supported by two types of rectangular cross-section piles located in a river as shown in Figure 1. The width of the piles is w - 0.5 m and their lengths are either l 2 m or 12 2.5 m. The river of depth of about 20 m runs at 2 m/s. Water density is p 1000 kg/m and its absolute viscosity 1.00 x 10-3 N.s/m2 You are asked to perform dimensional analysis to find the drag force...
A bridge is supported by two types of rectangular cross-section piles located in a river as shown in Figure 1. The width of the piles is w 0.5 m and their lengths are eitherl 2 m or 12 2.5 m. The river of depth of about 20 m runs at 2 m/s. Water density is ρ-1000 kg/m' and its absolute viscosityH-1 .00 x 103 N.s/m2 You are asked to perform dimensional analysis to find the drag force on the piles,...
A bridge is supported by two types of rectangular cross-section piles located in a river as shown in Figure 1. The width of the piles is w -0.5 m and their lengths are either lı- 2 m or l2-2.5 m. The river of depth of about 20 m runs at 2 m/s. Water density is p 1000 kg/m3 and its absolute viscosityH 1.00 x 10-3 N.s/m2. You are asked to perform dimensional analysis to find the drag force on the...
A bridge is supported by two types of rectangular cross-section piles located in a river as shown in Figure 1. The width of the piles is w = 0.5 m and their lengths are either 11-2 m or l2 2.5 m. The river of depth of about 20 m runs at 2 m/s. Water density is p 1000 kg/m3 and its absolute viscosityu- 1.00 x 10-3 N.s/m2. You are asked to perform dimensional analysis to find the drag force on...
Most questions answered within 3 hours.
-
Where is the error in this code sequence?
String s1 = "Hello";
String s2 = "ello";...
asked 10 months ago -
Financial data for Joel de Paris, Inc., for last year
follow:
Joel de Paris, Inc.
Balance...
asked 10 months ago -
Consider this reaction:
Al2(SO4)3 (aq)+ BaCl3
(aq) Al2Cl6 (aq)- +
3BaSO4(s) . What is the...
asked 10 months ago -
Suppose that Savneet is considering increasing her
recent random sample from 20 car rentals to 40...
asked 10 months ago -
Trucks arrive at an unloading terminal at an average rate of 120
per hour.
Trucks arrive...
asked 10 months ago -
Why are methanol and ethanol completely soluble in water while
octanol is not very little soluble....
asked 10 months ago -
A facilities manager at a university reads in a research report
that the mean amount of...
asked 10 months ago -
When the CuSO4 is rehydrated by adding water to the anhydrous
compound, is this an endothermic...
asked 10 months ago -
A ray of sunlight is passing from diamond into crown glass; the
angle of incidence is...
asked 10 months ago -
A block of mass 0.249 kg is placed on top of a light, vertical
spring of...
asked 10 months ago -
how do the kidneys compensate in the presences of acidosis
a) trigger hyperventilate
b) reserve acid...
asked 10 months ago -
Question 501 pts
The rental rate of capital to the firm increases. Which of the
following...
asked 10 months ago