Part AThe balloon has a mass of 30 g (empty) and it is filled with air having atemperature of 20 °C having the density of 1.202 kg/m³. If it is released, itbegins to accelerate upward at 8 m/s². (Figure 1)Determine the initial mass flow of air from the stem. Assume the balloon is a sphere having a radius of 180 mm.Express your answer using three significant figures.Figure5 mm8 m/s²1 of 1ΑΣΦΗvecm =1560SubmitPrevious Answers Request Answer× Incorrect; Try Again; 5 attempts remainingProvide Feedback?g/s

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Answered: Part A The balloon has a mass of 30 g…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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8. Compute the probable density of a fluid inside a floating spherical balloon having a 2m diameterif the tension in the balloon’s tie rope is observed to be 2kgf. Assume that the density of air is1.18kg/m3. a. 0.7225kg/m3 b. 0.6225kg/m3 c. 0.7025kg/m3 d. 0.5848kg/m3
Problem: A homogeneous cylinder weighing 32.2 lb has a narrow slot cut in it as shown. A force of 12 Ib is exerted on a string wrapped in the slot. If the cylinder rolls without slipping, determine the acceleration of its mass center (a) and the frictional force F. Neglect the effect of the slot. |32. 2 lb I 18" 24 12 lb
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10. The cylindrical container in the figure below weighs 400 N when empty. It is filled with water and supported on the piston. (a) What force is exerted on the upper end of the cylinder? (b) If an additional 600-N weight is placed on the cylinder, how much will the water force against the top of the cylinder be increased? Answer: (a) 51.08 kN; (b) 58.9 kN 250-mm diam A 250 mm B 500 mm?
A cubical box 1m on an edge, open at the top and half filled with water is placed on an incline plane making a 30° angle with the horizontal. The box alone weighs 500 N and has a coefficient of friction with the plane of 0.30. Determine the acceleration of the box along the plane. Unit of the Correct Answer: m/s? Decimal Places required in the final answer: 3
one IMG_1085 The plastic block shown below measures I.5 m x/.s m x(.7 m and has a specific gravity of 0.38. The concrete block B (density = 2400 kg/m*) is suspended from the corner of the plastic block by means of a cable and the plastic block is thus floating in the lake (T = 15°C) in the orientation shown. Determine the volume of the concrete block (units of liters) noting that it does not rest on the bottom of the lake. Neglect the weight and volume of the cable in your analysis. %3D 1.7 m 0.5 m Water Cable
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If the bottom of a pop bottle similar to that shown in the figure below, what would be the magnitude of the resultant force acting on the hemispherical bottom? The air pressure in the top of the bottle is 38 psi, and the pop has approximately the same specific gravity as that of water. Assume that the volume of pop remains at 2 liters. R= D -Pair = 38psi 4.3 in. diameter
A cylindrical vessel 15 cm diameter and 40 cm long is completely filled with water. The vessel is open at the top. Find the quantity of water left in the vessel in cm^3, when it is rotated about its vertical axis with a speed of 300 rpm.
9. Two balls A and B of masses 100 grams and 300 grams respectively are pushed horizontally from a table of height 3 meters. Ball has is pushed so that its initial velocity is 10 m/s and ball B is pushed so that its initial velocity is 15 m/s. a. Find the time it takes each ball to hit the ground. b. What is the difference in the distance between the points of impact of the two ball on the ground? Formula Vx = Vo cos 0 Vy = Vo sin 0 – gt x = Vo cos et y = Vo sin Ot – gt2
In figure 2.5, if the pressure of gas in bulb A is 50 cm Hg vacuum and Patm = 76 cm Hg, the height of column H is equal to Patm H 424 Hg:
Question 1 Blocks A and B have masses of 40 kg and 60 kg, respectively. They are placed on a smooth surface and the spring connected between them is stretched 2 m. If they are released from rest, determine the speeds of both blocks the instant the spring becomes unstretched. k = 180 N/m Figure 1

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