I solved part A and it is correct could someone help with B please? A 70.5 kg man stands on a horizontal surface.(a)What is the volume of the man's body (in m3) if his average density is 981 kg/m3?0.072 m3 (this is the right answer for Part A) (b)What average pressure (in Pa) from his weight is exerted on the horizontal surface if his two feet have a combined area of 4.45 ✕ 10−2 m2? ______________ Pa

Answer :- (b) Mass of a man(m) = 70.5 kg Acceleration due to gravity (g) = 9.8 m/s2 Area(A) = 4.45…

Answered: (b) What average pressure (in Pa) from…

(b) What average pressure (in Pa) from his weight is exerted on the horizontal surface if his two feet have a combined area of 4.45 ✕ 10−2 m2? ______________ Pa

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter1: Getting Started

Section: Chapter Questions

Problem 51PQ

See similar textbooks

Related questions

Q: An aquarium 4 ft long, 2 ft wide, and 4 ft deep is full of water. (Recall that the weight density of…

A: Pressure=F/A F is normal force A is area on which force is acting.

Q: Problem Number 1 The block shown in the figure below is acted on by its weight, W = 1300 Lbs, a…

A: Ans:- Image-1

Q: Which of the two portions has a higher density?

A: Density =mass/volume

Q: a) Use the worked example above to help you solve this problem. In a huge oil tanker, salt water has…

A: Given : h2 = 4.85 m h1 = 7.75 m Density of oil (p1) = 0.700 g/cm3 = 700 kg/m3 Density of salt (p2) =…

Q: Water is flowing through a pipe of two cross sectional areas A1 and A2 lying horizontally. The…

Q: What is the bouyant force on the diver in seawater? b. Will the driver sink or float? Show your free…

Q: Part (c) Calculate the magnitude of the weight of the cube, in newtons Numeric : Anumeric value is…

Q: Solve for Part A and Part B A solid, square pinewood raft measures 4.0 m on a side and is 0.30 m…

A: Given data: Length of side of raft is, L=4.0 m. Thickness of raft is, t=0.30 m. Density of pinewood…

Q: a) Calculate the volume of 55000 g woman, who has a density of 960 kg/m3that excluding the air in…

A: 1) Volume can be calculated as V=mρ=55000×10-3 kg960 kgm3=0.05729 m3 2) Buoyant force air exerts on…

Q: Solve the problems below. 1. A wind blows at the speed of 30 m/s across a 175 m2 flat roof of a…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Part A What gauge pressure in the water mains is necessary if a firehose is to spray water to a…

A: Given data h = 44 m Density of water = 1000kg/m^3 Gravitational force = 9.8m/s^2

Q: An Olympic swimming pool is 50m long, 25 m wide, and 2 m deep. (a) Make a plot of pressure as a…

Q: (b) What is the gauge pressure? (Enter your answer in atm and to at least 3 decimal places. Assume…

A: Formula:- Pabs= Pg + Patm Pg =Pabs - Patm ( Pg is gauge pressure, Pabs is absolute pressure,…

Q: Archimedes’ principle can be used to calculate the densityof a fluid as well as that of a solid.…

A: a) The buoyant force on the chunk of iron must be equal to the difference in its weight and the…

Q: Can you please help me solve this.. A man is standing on a 5kg plank of wood 1m x 1m x 5cm in…

A: So, mass of the man should be 45.000 kg

Q: Q1/ A presssure of 102 kN/m2 was applied on a confined fluid of 784 kg/m by a circular…

Q: An airplane in level flight whose mass is 25,500 kg has a wing area of 68 m2. What is the pressure…

A: Given, Mass of air plane, m = 25,500 kg Wing area, A = 68 m2 Required, Pressure difference between…

Q: OB • C In the pipe shown above in side view, water (an incompressible fluid) flows to the right. The…

A: Given data: The radius at B and C are equal rB=rC. The radius at A is rA.

Q: A physician judges the health of a heart by measuring the pressure with which it pumps blood.…

A: The average density ρ of blood is known to be 1060 kg/m3The difference in height Δh is given as 0.70…

Q: A bird moving in air or a fish moving in water experiences a force opposite to its direction of…

Q: The liquid of density p in a horizontal pipe with a cross-section being a square with the side a…

Q: balance D and is submerged in a liquid C contained in beaker B. The mass of the beaker is 1.20 kgkg;…

Q: An Olympic swimming pool is 50 m long, 25 m wide, and 2 m deep. (a) Make a plot of pressure as a…

Q: Compute for the surface tension of a force of 3.65 x 10⁷ dyne acting on 7 m². Determine all of your…

Q: A metal ball of radius 1 cm is dropped straight down from the top of a tall graduated cylinder ful…

A: SOlution: Given that radius r = 1 cm density of ball = 2.7gm/cm3 density of glycerine = 1.2 g/cm3…

Q: Problem 1 Manometric The pressure in point B, as shown on the figure, is with 30 kPa higher than the…

Q: Please help me: Part (a) If the pressure is measured in compartment C at PC = 1.69 atm and…

Q: A person wearing the shoes has a mass of 63 kg (Figure 1) Part A Estimate the pressure exerted on a…

Q: Suppose that you place a 22 kg block on the a table. (a) If the bottom surface of the block has an…

A: Pressure (P) is the force (F) exerted per unit area (A) P= F/A (a) Given, Mass of the block, m = 22…

Q: please answer the following A large truck tire is inflated to a gauge pressure of 86 psi. The total…

Q: A simplified model of how an airplane flies relies on a difference in air pressure between the top…

A: In airplane , the weight of airplane W is balanced by lift force. The lift force arises due to…

Q: (Figure 1) shows a syringe filled with 20°C olive oil. Part A What is the gauge pressure in atm at…

A: ρ = density of olive oil =895kg/m3 let the wider body of syringe in section 1 and trimmer needle in…

Q: PROBLEM 6: The Dead Sea has been found to have SEAWATER with a unit weight of 75 1b/fr; GLYCERIN has…

Q: Part A If cholesterol buildup reduces the diameter of an artery by 30 %, by what % will the blood…

A: According to question we have to find by what percent flow rate reduced?

Q: Part (a) Express the absolute pressure at the depth of h, P, in terms of Po, Q, and h. Expression :…

A: We need to calculate the pressure and force at a depth of 14 m below the surface of water.

Q: I Review I Consta A 10 cm x 10 cm x 10 cm wood block with a density of 680 kg/m³ floats in water.…

A: Given that 10cm * 10cm * 10cm wood block with a density of 680kg/m^3 floats in water.Then We have…

Q: PROBLEM 3. Compute the capillary effect of immersion in water of a glass tube of 4mm internal…

A: Given: diameter of tube d = 4 mm radius of tube r=4/2=2mm=2*10-3 m surface tension T =0.073573 N/m…

Q: A box-shaped piece of concrete measures 8 ft by 6 ft by 0.4 ft. (Enter your answers in Ib.) (a) What…

Q: Part A Calculate the true mass (in vacuum) of a piece of aluminum whose apparent mass is 4.9000 kg…

Q: . If water is filled in a glass of water, which part of thebottle experiences the greatest pressure?…

A: (1) When water is filled in a glass, the bottom part of the glass experiences the greatest…

Q: Water flows steadily from an open tank as shown in the figure. (Figure 1)The elevation of point 1 is…

A: Given : y1 = 10 m y2 = 2 m A1 = 4.8 × 10-2 m2 A2 = 1.6 × 10-2 m2

Q: What is the total pressure at point A?

Q: Compute for the surface tension of a force of 3.65 x 10⁷ dyne acting on 7 m². Determine all of your…

A: Given, a force of 3.65 x 10⁷ dyne acting on 7 m². 1. Force exerted = 3.65 x 10⁷ dyne =365 Newtons…

Concept explainers

Density of Solids

The density of a substance refers to how much matter is present in a given amount of space. It is expressed as the ratio of the mass of the substance to its volume.

Question

I solved part A and it is correct could someone help with B please?

A 70.5 kg man stands on a horizontal surface.

(a)

What is the volume of the man's body (in m³) if his average density is 981 kg/m³?

0.072 m^{3 (this is the right answer for Part A)}

(b)

What average pressure (in Pa) from his weight is exerted on the horizontal surface if his two feet have a combined area of 4.45 ✕ 10⁻² m²?

______________ Pa

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.

Similar questions

A 50.0-kg woman wearing high-heeled shoes is invited into a home in which the kitchen has vinyl floor covering. The heel on each shoe is circular and has a radius of 0.500 cm. (a) If the woman balances on one heel, what pressure does she exert on the floor? (b) Should the homeowner be concerned? Explain your answer.
Four objects: A, B, C and D, with different weights, are placed on a rigid horizontal surface. Table 1 shows the pressure exerted by each object on the horizontal surface. Write the letter of the object that indicates the correct pressure. (You must show the calculations.) The results of all problems must be expressed in SI units, unless the problem tells you indicate in other units.
▼ What is the pressure at a depth of 5000 m in the ocean? Express your answer to four significant figures using the appropriate ur ▸ View Available Hint(s) P= 5.057x107 Pa Submit Previous Answers ✔Correct Part B What is the fractional volume change AV/V of seawater at this pressure? As ▸ View Available Hint(s) ΔV/V = -0.023 Submit Previous Answers Correct Part C What is the density of seawater at this pressure?
A helium balloon (in the shape of a sphere) has radius 7.10 m. For the density of air, please use 1.29 kg/m^3, and for Helium, use .179 kg/m^3 Part A How much additional mass (payload) could this balloon lift? You should assume the balloon's skin, plus other parts of the balloon's structure have a total mass of 900 kg. Note however that this number does NOT yet include the mass of the helium filling the balloon, which you will need to account for! Express your answer using two significant figures. ▸ View Available Hint(s) m = for Part A for Part A undo for Part A redo for Part A reset for Part A keyboard shortcuts for Part A help for Part A Submit Constants kg
Calculate the (absolute) pressure at the bottom of a neighborhood swimming pool 29.0 m by 8.7 m whose uniform depth is 1.8 m. Remember that the pressure at the top of the pool is atmospheric pressure, which (in SI metric units) is 1.013x105 Pa. Express your answer using two significant figures. P = Submit Request Answer Part B Now find the (total) force exerted on the bottom of this swimming pool. Express your answer using two significant figures. F = for Part A for Part A undo for Part A redo for Part A reset for Part A keyboard shortcuts for Part A help for Part A Part C Submit Request Answer for Part B for Part B undo for Part B redo for Part B reset for Part B keyboard shortcuts for Part B help for Part B P = What is the pressure against the side of this pool (somewhere very near the bottom)? Express your answer using two significant figures. for Part C for Part Cundo for Part C redo for Part C reset for Part C keyboard shortcuts for Part C help for Part C Submit Request Answer…
A tall cylinder contains 20 cm of water. Oil is carefully poured into the cylinder, where it floats on top of the water, until the total liquid depth is 40 cm. Part A What is the gauge pressure at the bottom of the cylinder? Suppose that the density of oil is 900 kg/m³. Express your answer in pascals. 5 ΑΣΦ Pgauge = I Review I Constan ? Pa
The plug has a diameter of 30 mm and fits within a rigid sleeve having an inner diameter of 32 mm. Both the plug and the sleeve are 50 mm long. The plug is made from a material for which E= 1 MPa, v=0.7. (Figure 1) Figure Part A Determine the axial pressure p that must be applied to the top of the plug to cause it to contact the sides of the sleeve. Express your answer to three significant figures and include appropriate units. HA P= Submit Part B Value 8 = Request Answer Also, how far must the plug be compressed downward in order to do this? Express your answer to three significant figures and include appropriate units. μÅ 3 Value Submit Provide Feedback Units Request Answer IWIC ? Units www. ?
Calculate the buoyant force of air (density 1.20 kg/m³) on a spherical party balloon that has a radius of 16.8 cm. Express your answer with the appropriate units. HẢ ? F = Value Units Submit Request Answer Part B If the rubber of the balloon itself has a mass of 2.00 g and the balloon is filled with helium (density 0.166 kg/m³), calculate the net upward force (the "lift") that acts on it in air. Express your answer with the appropriate units. HÀ F = Value Units Submit Request Answer
A 2.8 kg balloon is filled with helium ( density = 0.179 kg/m³). You may want to review (Pages 513 - 514). Part A If the balloon is a sphere with a radius of 5.2 m , what is the maximum weight it can lift? Express your answer using two significant figures. 圈]? W = Submit Previous Answers Request Answer
Suppose you have a coffee mug with a circular cross section and vertical sides (uniform radius). What is its inside radius if it holds 385 g of coffee when filled to a depth of 7.5 cm? Assume coffee has the same density as water of 1000 kg/m³. Think & Prepare 1. What is the shape of the coffee mug? How would you calculate the volume of the coffee mug? r= cm
A very simple way of measuring the depth of a fluid in a gas station's underground gasoline tank is by using a pressure gauge that measures gauge pressure. Assume the fluid in the tank is gasoline with a density of 700 kg/m3 and g = 9.80 m/s2. If the gauge pressure is 25.9 kPa what is the depth of the gasoline in the tank? Assume 3 significant digits. Watch the units! A. 3.78 cm B. 37.8 m C. 0.378 m D. 3.78 m E. 3.78 mm
Please answer Part A Using the information in the Background Information section of this lab, calculate the pressure of a fluid at the given depth h: Where, Po = 101 kPa and r = 1000 kg/m3 (density of water) A. h = 146 m (world-record range for free-diving)?