A mountain-climber of mass 78 kg ponders the idea of attaching a helium-filled balloon to himself to effectively reduce his weight by 22 % when he climbs. He wonders what the approximate size of such a balloon would be. Hearing of your physics skills, he asks you. Share with him your calculations find the volume of the balloon .   V=

Q: In the lab, a student determines the density of a metal object by measuring its mass on a balance…

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Q: To fill a child's inflatable wading pool, you use a garden hose with a diameter of 2.6 cm . Water…

A: Given data: The diameter of hose is d=2.6 cm. Velocity of water is v=1.3 m/s. The diameter of pool…

Q: Water leaks out of a tank through a square hole with 2-inch sides. At time t (in seconds) the…

A: s=Length of side of square=2 inch=212 ft=16 ftv=Velocity of water=v ft/s

Q: A rectangular block has dimensions 2.9 cm x 3.5 cm 10.0 cm. The mass of the block is 615.0 g. What…

A: Relation of mass, density & volume is given as-                      m = vd or,…

Q: 2. What is the smallest number of whole logs (density = 770 kg/m³, radius = 0.076 m, length = 2.88…

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Q: A rain gauge consists of a funnel with a diameter D = 10 cm that collects rain and deposits liquid…

A: The density of a fluid is a scalar quantity that means it has only the magnitude and no direction to…

Q: Suppose blood is pumped from the heart at a rate of 4.9 L/min into the aorta of radius 1.1 cm.…

A: pumping rate of blood = 4.9L/min = 4900 ml/min = 4900 ml/60 sec = 81.67 ml/sec = 81.67 cm3/secRadius…

Q: Lift on an airplane is F = (P2-P1) A. The total wing area of a certain airplane is 20 square meter.…

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Q: garden hose with a cross sectional area of 3.20 x 10-4 m2 is used to fill a bucket with a volume of…

A: garden hose with a cross sectional area of 3.20 x 10-4 m2 is used to fill a bucket with a volume of…

Q: Determine the dimensions in the MLT system, for (a) the product of mass times velocity, (b) the pro

A: Given:- the dimensions in the MLT system,  Find:- (a) the product of mass times velocity, (b) the…

Q: Light as a Feather The feathers in a pillow have a total mass of 59 grams. The pillow is in the…

A: 1. First of all we have to write down the all given conditions here,  as per the question above,…

Q: You purchase a rectangular piece of metal that has dimensions 5.0 x 15.0 × 30.0 mm and mass 0.0158…

A: Given Data: The dimensions of the rectangular piece is,  5×15×30 mm. The mass is, m = 0.0158 kg.…

Q: The average density of the sea is 1.024 x 10° kg/m. If you are given 0.5 L of the sea water, how…

A: Given: The average density of sea ρ=1.024×103 kg/m3 = 1.024 g/cm3. Volume of sea water (V) = 0.5 L.…

Q: What is the density of a 5 kg solid cylinder that is 5 cm tall with a radius of 3 cm? Give a…

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Q: What is the unit of relative density? A) kg/m B) kg/m2 C) kg/m3 D) It has no unit

A: The relative density is defined as the ratio of the density of substance to the density of water at…

Q: An automobile tire is shown in the figure below. The tire is made of rubber with a uniform density…

A: The inner radius of the sidewall, r1=16.5 cm = 0.165 m The outer radius of the sidewall, r2=30.5 cm…

Q: A house is 45.0 ft long and 30 ft wide and has 9.0 ft-high ceilings. What is the volume of the…

A: Given : L = 45 ft B = 30 ft H = 9 ft 1 foot = 0.305 m

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

A: Force, F = 3.65 x 10⁷ dyne Area, A = 7 m² 1. Radius of the capillary tube = ? 2. Diameter of the…

Q: Raw milk is stored at a dairy farm in a refrigerated cylindrical vat 6.50 feet wide and 12.5 feet…

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Q: (I) If you tried to smuggle gold bricks by filling your backpack, whose dimensions are…

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Q: The masses of a measuring cylinder before and after pouring some liquid into it are shown in the…

A: (B) is correct.

Q: What is the volume of an object that has a density of 500 kg/m3 and a mass of 60 kg? Group of answer…

A: Given data:  Density (ρ) = 500 kg/m3 Mass (m) = 60 kg Required: Volume (V)

Q: A tank containing a liquid has a small hole in the bottom through which it escapes. The velocity u…

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Q: The masses of a measuring cylinder before and after pouring some liquid into it are shown in…

A:

Q: It is known that a cubical object made of cast aluminum 0.254 m on a side contains a hollow cavity…

A:

Q: You purchase a rectangular piece of metal that has dimensions 5.0 * 15.0 * 30.0 mm and mass 0.0158…

A: Dimension of metal piece is : 5×10-3 m ×15×10-3 m×30×10-3 m Mass is 0.0158 Kg Formula for density is…

Q: An open cylindrical tank with a diameter of 5 m. has Water (s.g. = 1.00, h = 3.5m), Oil (s.g. =…

A: diameter of tank= 5 m We have been provided with 4 different liquids so, we will arrange them in…

Q: An ingot of metal with the dimensions shown below has a mass of 1600 kilograms. What is the density…

A:

Q: What is the block's volume? ΑΣφ. ? V= m3 Submit Previous Answers Request Answer X Incorrect; Try…

A: when block will immersed into water three forces will act 1- spring force kx upward  2- force of…

Q: Fill in the blanks(a) The volume of a cube of side 1 cm is equal to _____m3(b) The surface area of a…

A: (a)  Given,

Q: Assuming biological substances are 100% water, estimate the mass of a fly. Take a fly to be roughly…

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Q: A solid brass sphere weighs 190 N in air and has a density of 8.6 x 10 kg/m3. What is its volume?…

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Q: Q4/ A- The light bulb is made from tungsten metal (d 19.3 g/cm3) that has been drawn into a very…

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Q: A 16.21 kg object with dimensions 0.1m x 0.1m x 0.2m, as shown in the figure, has a hole inside with…

A: The mass of the object is, m=16.21 kg The height of a cylindrical hole is, h=0.2 m The volume of the…

Q: A cube (1m x 1m x 1m; volume = 1 m3; density = ρ kg/m3) is floating as shown. The density of oil is…

A:

Q: Consider the table where the primary dimensions of several variables are listed in the mass–…

A: The dimensions of the density, surface tension, and viscosity can be given by,

Q: An automobile tire is shown in the figure below. The tire is made of rubber with a uniform density…

A: Given Data: The uniform density of rubber is, ρ=1.10×103 kg/m3 The inner radius of a sidewall is,…

Q: There is a brass cylinder weighing 1.000 kg, has a diameter of 0.047 meters, and it is 70 mm tall.…

A: Given data:  Mass of brass cylinder (m) = 1.000 kg Diameter (d) = 0.047 m Height (h) = 70 mm = 0.070…

Q: Q1 - 100ml of a liquild was completely transferred from cylinder A to cylinder B. Compared to the…

A:

Q: It is known that a cubical object made of cast aluminum 0.258 m on a side contains a hollow cavity…

A:

Q: You threw a box full of your ex's things with dimensions of 0.15 [m] × 0.25 (m] x 0.30 [m]. It…

A:

Q: When trying to solve this problem, I got 2.86 as an answer. This was incorrect. Thank you.

A: By condition,

Q: In a lab, a foot-long test tube contains gasoline (density equal to 748.9 kg/m³) and oil (density…

A: GivenLength of test tube, h=1 foot=0.3048 m Density of Gasoline, ρg=748.9 kg/m3Density of oil,…

Q: Which statements could be correct based on a dimensional analysis? The speed of a train is 9.8…

A: Given :- different statements to find which one is correct according to dimensional analysis

Q: An auditorium measures 35.0 m x 25.0 m x 5.0 m. The density of air is 1.20 kg/m³. (a) What is the…

A:

Q: What mass of fresh water (in kg) can be contained in a box whose dimensions are 270 mm by 257 mm by…

A: 1mm = 10-3 m    if volume of box is V  and density of liquid stores in it is d  and mass of liquid…

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.