How much He is needed to lift a human into the air? Assume human and harness together weigh 100 kg. ρHe = 0.17 kg/m3, ρair = 1.3 kg/m3, ρhuman = 1020 kg/m3

Q: Calculate the force (in N) a piano tuner applies to stretch a steel piano wire 7.60 mm, if the wire…

A: The diameter of the piano wire, D=0.900 mm Therefore, the radius of the wire, r=D2=0.450 mm =…

Q: The hydraulic car lift of a service station uses a small piston of radius 2.0 cm. If a 500 N force…

A: Given Data Radius of the small piston is r=2.0cm=2.0×1100m=0.02m Radius of the large piston is…

Q: steel beam of uniform cross section weighs 2.50 x 10^5 N. if it is 5.00m long. what force is…

A:

Q: Calculate the force (in N) a piano tuner applies to stretch a steel piano wire 8.70 mm, if the wire…

A: Solution: Given that ∆L = 8.7 mm = 8.7 x 10-3 m D = 0.83 mm = 0.83 x 10-3 m L = 1.3 m E = 210 x 109…

Q: Which equation must be satisfied while dealing with fluid flow problems? Choices: Newton’s Third…

A: Introduction: The fluid flow is part of fluid mechanics which involves fluid dynamics of the fluid…

Q: A moonshiner makes the error of filling a glass jar to the brim and capping it tightly. The…

A: Given: The volume increases by 0.5% (that is, ΔV/V0 = 5 ✕ 10-3) The bulk modulus (B)=2.1 ✕ 109 N/m2…

Q: Three containers are filled with water to the same heightand have the same surface area at the base,…

A: Height is same and the base area is same

Q: A small ferryboat is 3.90 m wide and 5.90 m long. When a loaded truck pulls onto it, the boat sinks…

A: Given:-               A small ferryboat is 3.90 m wide and 5.90 m long. When a loaded truck pulls…

Q: A moonshiner makes the error of filling a glass jar to the brim and capping it tightly. The…

A:

Q: A thin rod 10 ft long has a density which varies uniformly from 4 to 24 lb/ft. Find(a) M,(b) ¯x,(c)…

A:

Q: 2] The device shown is used to straighten the frames of wrecked autos. Determine the tension of each…

A:

Q: A three-legged wooden bar stool made out of solid Douglas fir has legs that are 2.0 cm in diameter.…

A:

Q: 1] The members of a truss are connected to the gusset plate. If the forces are concurrent at point…

A:

Q: Which vial, left or right, contains a liquid in which its cohesive forces exceed its adhesive…

A: Cohesive Force is the one with acts between two particles which belongs to the same metal or the…

Q: Calculate the force (in N) a piano tuner applies to stretch a steel piano wire 8.70 mm, if the wire…

A:

Q: Brass wire is 4 m long and 4 mm in diameter that is hanging from ceiling. If there's a mass of 5 kg…

A: The expression for the stress acting on the wire can be written as…

Q: Blue Brass wire is 4 m long and 4 mm in diameter that is hanging from ceiling. If there's a mass of…

A: length = 4 m diameter = 4mmradius = 2mmmass = 5kg stretching amount = 0.16mm

Q: A girl and a boy carry a sack weighing 40 N on a pole between them. If the pole is 6 m long and the…

A: We have a pole of length L=6 m on which there is a load of weight W=40 N at a distance d=2 m from…

Q: A thick rope of length 30 m is hanging over the edge of a tall building. During the night, it rains,…

A:

Q: A copper wire of diameter 1.0 cm stretches 1.0% when it is used to lift a load upward with an…

A: All metal follows Hooke's law as per that stress is directly proportional to the strain.  σ = εE…

Q: There is a disk of cartilage between each pair of vertebrae in your spine. Suppose a disk is 0.50 cm…

A: Given: A thickness of disk = 0.50 cm A diameter of disk = 4.0 cm Disk support half the weight of a…

Q: A farmer making grape juice fills a glass bottle to the brim and caps it tightly. The juice expands…

A: The increase in the volume is as follows: ΔVV=1BFA                     1   The magnitude of force…

Q: A moonshiner makes the error of filling a glass jar to the brim and capping it tightly. The…

A: Expression for Bulk modulus k=V∆P∆V Rearrange in terms of ∆P ∆P=B∆VV=1.8×109 Nm25×10-3=9×106 Nm2m102…

Q: Which of the following is the unit for the coefficient of viscosity: Select one: O a. cm/g.s O…

A: SOlution: The unit of coefficient of viscosity

Q: What is the tension force in the wire shown below if it stretches 0.35 cm wher tightened if young's…

A:

Q: Find the terminal velocity of a spherical bacterium (diameter 2.00 μm ) falling in water. You will…

A:

Q: he unit of strain is: A (a) pascals B (b) metres O (c) dimension-less D (d) newtons (E) e. No answer

A:

Q: Find the terminal velocity of a spherical bacterium (diameter 2.00 μm) falling in water. You will…

A: Given

Q: Why do some objects float while others, with the same mass, sink? Whatkeeps a massive steel ship…

A:

Q: A moonshiner makes the error of filling a glass jar to the brim and capping it tightly. The…

A:

Q: A moonshiner makes the error of filling a glass jar to the brim and capping it tightly. The…

A: The expression for find force exerted by moonshine is K=FA∆VV0FA=K∆VV0 Substitute values in the…

Q: A hippopotamus is napping under water with only the end of its snoot above the surface. It has a…

A: Given data *The given mass is m = 1100 kg *The given volume is V = 1.0 m3 *The given density is ρ=1…

Q: shoes

A: Given: Mass of the woman = 50 Kg The radius of the heel = 0.500 cm Pressure on the floor =?

Q: A cylindrical wooden log (d= 20 cm, L =50 cm) is tied to an anchor and dropped overboard somewhere…

A: Archimedes’ principle states that “any object immersed in any fluid will experience an upward force…

Q: A (2 m)-long steel wire in a musical instrument has a radius of (0.3 mm). When the wire is under a…

A: Recall F/A=Y∆ll

Q: weight On a scale dS a U. FIGU 11. Why do you float higher in salt water than in fresh water? the…

A:

Q: Find the terminal velocity of a spherical bacterium (diameter 2.00 µm ) falling in water. You will…

A: As given in the question, drag force is equal to the weight at the terminal velocity which needs to…

Q: If two backets with equal volumes are filled with blood (p=1035 kg/m3) and oil (p=924 kg/m3) and you…

A: Given that: Density of blood     ρblood = 1035 kg/m3 Density of Oil          ρoil = 924 kg/m3 Assume…

Q: A moonshiner makes the error of filling a glass jar to the brim and capping it tightly. The…

A: Given: ΔV/V0 = 5 ✕ 10-3 Bulk modulus = 1.9 × 109 N/m2 Find The force exerted by the moonshine per…

Q: A moonshiner makes the error of filling a glass jar to the brim and capping it tightly. The…

A: Force per unit area can be found by using the formula of Bulk modulus for volumetric stress and…

Q: A solid object labeled A weighs more than another solid object labeled B. Which of the following are…

A: Required : Which of the statement is true.

Q: A box made of high grade plastic material has an initial volume of 20.00 m3.  It is then immersed…

A: given data initial volume = 20 m^3 final volume = 16.29 m^3 what is the volume strain =?

Q: Two adult polar bears, each of mass 440. kg are adrift on an ice floe in the seawaters of the Arctic…

A:

Q: tring on a tennis racket is under a tension of 275 N. If its diameter is 1.00 mm, by how much is it…

A: The force is 275 N.  The diameter is 1.0 mm or 0.001 m and the radius is half the dimeter so radius…

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!