(b) A student is designing a three-legged wooden stool as shown in Fig. 22. Fig. 2.2 The stool must be able to support the weight of an adult. The maximum compressive stress of the wood is 2.3 MPa. Estimate the minimum cross-sectional area A of one leg. m2 [3] A = Turn over
Q: track has five sections labeled A, B, C, D and E as shown in the figure. The sloped sections B and D...
A: As per the guidelines i will be attempting first 3 subparts.
Q: b) Explain clearly the terms: free vibration, forced vibration and resonance. Give example of each.
A: We have to define free vibration forced vibration and resonance each with real life examples
Q: B. Applications and Extensions To assess your understandings of some of this studio's key ideas, you...
A: For an average adult, the mass of forearm and hand is about 2.6 kg. If we approximate forearm and ha...
Q: An amusement park ride consists of a rotating circular platform 12.5 m in diameter from which 10 kg ...
A: In equilibrium, Tcosθ=mg where T is the tension in the chain and m is the mass of seat. The horiz...
Q: The MacKay Bridge over Halifax Harbour is designed to sway in high wind conditions to help absorb sh...
A:
Q: A battery of 12 V and internal resistance (r) is connected to a load resistor R= 20. The potential d...
A: Given that,Voltage : V = 12 (V)Resistance : R = 2 (Ohm)Potential difference = 10 (V)Here we need to ...
Q: A circular curve of highway is designed for traffic moving at 91 km/h. Assume the traffic consists o...
A: Speed v = 91 km/h Radius of curve r = 150 m
Q: A power drill starts from rest and undergoes uniform angular acceleration for a period of 0.175 s un...
A: Given that,The angular velocity of the drill : ω = 3×104 rev/min The time period of the motion :t = ...
Q: The mass of 6 million molecules of a diatomic gas is 5.1 x 10^-19 kg. What is the atomic mass of the...
A: Given that:A diatomic gasTotal molecules are 6 millionMass is 5.1×10-19 kg
Q: 22) A square, single-turn coil 0.250 m on a side is placed with its plane perpendicular to a constan...
A: Solution:-Given thatsquare single turn coillength of each side (a)=0.250 mcoil is placed perpendicul...
Q: If a 50 kg ballet dancer standing flat-footed on one foot exerts a pressure of 33,500 Pa on the floo...
A: Given that,Mass : m = 50 (kg)Pressure exerted by the foot : P = 33500 (Pa) = 33500 (N/m2)Here we nee...
Q: A double pendulum consists of two equal masses 'm' suspended by two strings of length L. What is the...
A: Solution: The free-body diagram is
Q: A shot is fired horizontally from the top of a tower with a velocity of 100 m/s. If the shot hits th...
A: The shot has an initial horizontal velocity ux=100 m/s but no initial vertical velocity uy=0. Time i...
Q: 6. A car leaves point A and drives at 60 km/hr [60° W of N] The car then heads north at 80 km/hr arr...
A:
Q: For the LR circuit shown below, L = 2 mH & ? = 3 ms. The switch is closed and 5.25 ms later the curr...
A:
Q: (a) Using forward (explicit) method for time and central method for x, forward or backward differenc...
A:
Q: A battery of 12 V and internal resistance (r) is connected to a load resistor R= 20. The potential d...
A:
Q: What's More Resultant Vector of Typhoon Yolanda Identify the velocity of Typhoon Yolanda as it enter...
A: vector velocity (m/s) x- component y-component 425 km/h SE 118.06 m/s SE 118.06 cos(45)=83.48 118....
Q: Determine the magnitude of the resultant force and its direction 0, measured counterclockwise from t...
A: Answer
Q: A 1,000 W immersion heater, a 700 W microwave oven, and a 1.200 W toaster oven are all plugged into ...
A: Power consumed from the single outlet, P P= (1000 + 700 + 1200) W = 2900 W Voltage = 120 V Power ,v...
Q: Part A An emf source with a magnitude of E = 120.0 V, a resistor with a resistance of R = 71.0 N, an...
A:
Q: The inertial mass of a particle is, by definition, the mass that appears in Newton's second law. Con...
A:
Q: 2 m Q1: Determine the force P required to maintain the 200-kg engine in the position for which 0= 30...
A: Solution:-Given that
Q: Figure E1.28 В (15.0 m) D (10.0 m) |30.0° 53.00 25.0° Č (12.0 m) (Ä (8.00 m) 3. Given the vectors on...
A: We are authorized to answer three subparts at a time, since you have not mentioned which part you ar...
Q: 4 kN Replace the two forces shown in Figure 2 with a single equivalent force R. Also find the angle ...
A: Given F1= 6 kNF2= 4 kN
Q: cudent does not immediately slip?
A: we know that angular acceleration, α=d2θdt2 a) Let max value of angular acceleration be α0, αt=rα0, ...
Q: Q 22. In a photochemical reaction A → B + C , the quantum efficiency with 500 nm light is 1.2× 10²mo...
A: The given photochemical reaction is A→B+C According to the stoichiometry of the reaction, it is see...
Q: here are two concentric tungsten wire loops; a 4 cm radius loop and a 33 cm radius loop. The cross-s...
A:
Q: A 1.5 kg mass is spun on a string in a horizontal circular path at a constant speed. a). Draw the fr...
A: The 1.5 kg mass is being spun with the help of a string, in a horizontal circular path. Due to its c...
Q: Determine the maximum shear stress in the d-mm-diameter shaft. The shaft is fixed to support A but f...
A: In this question answer is given below. It is helpful for you ?
Q: 27) Light passes through glass of refractive index 1.5. What is the time required for light to trave...
A: To find- Time taken by light wave=? Given- R.I. of glass (aμg)=1.5 Displacement of light wave in gla...
Q: The static magnetic field in a magnetic resonance imaging machine is 1.7T. What is the Larmor freque...
A:
Q: Question 5 A step down transformer has 600 V across the primary coil and 120 V across the secondary....
A: Given that:-Primary voltage, Vp=600 VSecondary voltage, Vs=120 VLoad resistance, RL=10ΩSecondary tur...
Q: An elec Compute the electric potentials at points a, b and c. charges, q1 =+12 nC and q2 =-12 nC pla...
A: Given: The value of point charge q1 is 12 nC or 12×10-9 C. The value of another point cha...
Q: (b) Define the intensity and energy density at a point in a plane wave of sound. Obtain an expressio...
A: (B). The sound waves are generated by the sound sources like vibrating diaphragm. The sound waves ca...
Q: How much momentum does a car of mass 1,881 kg have if it travels at a constant speed of 6.9 m/s
A: Given that,Mass of the car : m= 1881 (kg)Speed of the car : v = 6.9 (m/sec)Here we need to find the ...
Q: 4. Consider the following arbitrary fields. Find out which of them can possibly represent electrosta...
A: Given some vector feilds and we have to find that if the field is represent the field in free space ...
Q: Consider the expression VP(1, 2) Select all the statements that are true (a) This represents the flu...
A:
Q: A force F(x) = N acts on a particle as it moves along the positive x-axis. (a) How much work (in J) ...
A:
Q: In a high voltage transformer, when the reliability is tested, it has a 6 month reliability of 0.85 ...
A: Given that, The mean time between failures, t1=6 month The mean time between failures, t2=4 month Th...
Q: 2. Two balloons with charges of +4.57 µC and -8.32 µC attract each other with a force of 0.0843 Newt...
A:
Q: using the fbd to set up both EF equations and use them to calculaute the coefficienct of static fric...
A:
Q: A man enters a tall tower, needing to know its height. He notes that a long pendulum extends from th...
A:
Q: A small rocket is launched straight up. When at a height of 5.0km and velocity of 200.0m/s, it relea...
A: Here, we have v0=200 m/s
Q: s Mass sliding on a Amass m is free to slide frictionlessly along the that rolls without slipping on...
A: A mass m is free to slide frictionlessly along the rim of a wheel of radius R. The wheel is massless...
Q: If E < E, is the motion necessarily bounded? I
A: Given, V(x)=V0x2e-x2, where V0=Constant a)There is maximum potential at x=0. Hence, the energy of pa...
Q: I Revie Replace the loading by an equivalent resultant force and couple moment at point O. Suppose t...
A: Concept: To determine the resultant force acting on the beam, we will use the formula: ∑FR=F1+F2 And...
Q: A particle is confined between rigid walls separated by a distance L-0.189 nm. The particle is in th...
A: If L is the width of the box, then the classical probability density function is given by Pclass(x)...
Q: In the figure, a slab of mass m1 = 44 kg rests on a frictionless floor, and a block of mass m2 = 10 ...
A:
Q: 6. A car leaves point A and drives at 60 kmhr [60° W of N]. The car then heads north at 80 kmhr arri...
A:
![(b) A student is designing a three-legged wooden stool as shown in Fig. 22.
Fig. 2.2
The stool must be able to support the weight of an adult.
The maximum compressive stress of the wood is 2.3 MPa.
Estimate the minimum cross-sectional area A of one leg.
A =
m [3]
Turn over](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F47cd58ce-b81a-408a-9bc1-b6e2acf2f1c8%2F89769fb5-1262-4368-84fe-eb5ed8cf92dd%2F498ggo_processed.jpeg&w=3840&q=75)
Step by step
Solved in 2 steps with 1 images
