Q: 1. For each free body diagram, find the missing information. You don't need to show your work. Type…
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Q: A disk is initially spinning at +3600 rpm. It increased its angular velocity to +7200 rpm in 9 sec.…
A: Given values: Initial angular velocity, ω1=3600 rpm Final angular velocity, ω2=7200 rpm Time, t=9 s
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A: d = 70 cm = 0.70 m Then, r = d/2 = 0.35 m
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A: Given data: The angular acceleration is α=20 rev/min-sec.
Q: (a) Example: 10 N right and 15 N right (b) 20 N left and 60 N right| (c) 30 N right and 20 N loft
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A: 1rpm =1rev/60s 470rpm =470 rev/60s = 7.833 rev/s T = 2π/w w =270rpm 1rpm =2π rad/60s 470rpm =…
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Q: G: V, : 10V Vz = 20 V R: I, to I 3 VR, to VRJ や、 to Ps R, :ス S2 I R,= Rz=3S2 Rq:72 Rs =G52 RS
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Q: It has been said; "Give me a long enough lever and I shall move the world." How long does this lever…
A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…
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Q: Part (b) Calculate the angular speed of the pedal sprocket w,, in radians per second. Wp =
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Q: n the figure shown D a. A= B -C O b. C= B + A Oc. C= A - B O d. C= B - A
A: Let us consider a figure drawn below:-
Q: A cooling fan is turned off when it is running at 950 rev/min . It turns 1100 revolutions before it…
A: Given:- A cooling fan is turned off when it is running at 950 rev/min. It turns 1100 revolutions…
Q: b. p = x, p° = 3.141E p=n, d. p= v2, p* = 1.414 f. p = 10", p* = 1400 h. p= 9!, p* V187
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Q: Q 1. An object rotates with angular acceleration, a dw where w is the angular velocity dt 0,w = wo…
A: Given: Angular acceleration , α=dωdt Angular velocity , ω=dθdt
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Q: rc. What is its speed when it reaches (a) its lowest point and (b) its highest point after the…
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Q: - Part (f) What is the scalar product of j B ? tan() 9 HOME cos() asin() sin() cotan() acos() E 4 6.…
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Q: 4.) If Vs = 25 V, R1 = 38 N, R2 = 20 0, and R3 = 30 N, what is: a.) IT R, R. R, b.) l1, I2, and Is…
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Q: Analyze the free-body diagram. N = 700 |Fret, el = N = 4000N W = 700N
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Q: Problem: In the picture above, two blocks connected by a cord passing over a small, frictionless…
A: Let m1= 60 kg Mass of second block, m2= 120 Kg
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A: Radius (r) = 0.39/2 = 0.195m Angular velocity (w) = 1900rpm 1 RPM = 0.10472 rad/s
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Q: Part (c) Calculate the linear speed of the outer edge of the pedal sprocket v, in centimeters per…
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Q: a) Luca the Skateboarder (m-65.0 kg) rides over a circular shaped hill of radius 5.0 m.. At the top…
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Q: Q1: Prove that: (g\f)= (flg)
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Q: Q2/ Find the value of the line integral J. F.dr when F = zi + xj + yk and C is the helix in figure…
A: Given x= cosθ,y=sinθ,z=3θdx = -sinθdθ, dy = cosθdθ, dz=3dθ Therefore F→= zi+xj+yk=3θi+cosθj+sinθkdr→…
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Q: 1. For each free body diagram, find the missing information. You don't need to show your work. Type…
A: Given that, Mass m = 5.0 kg Acceleration a = 4.5 m/s2
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A: We know that the formula of the flux is given as ϕ= EA Where ϕ is the electric flux A is the…
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- G: V,=10V Vz = 20 V R,:ス S2 Rzこ32 R: I, to I3 VR, to VRJ Pi to PJ %3D R, Vz In I, ドg 5r R3 Rq:72 Rs=G52 Re NzA A A A I. If A = 4x + 2y and B and B` =− 2x + 4z, what are Ø – B`, A¯ • B`, and A × B¯? II. If E = k 29 what is – E dr if k and a are constants? k III. If V = what is 9 r α dV dr ∞ if k is a constant?Po = 25 uc/m³ is distributed uniformly through a certain region. If V=50 at y = 2 and V= 90 at y = 5, &, = 2. a- Give the solution and calculate V, E. b- Draw V, Ē, IE with respect to y-axis. c- Now if p₂ = 0, give the solution and calculate V, Ē.
- 58. A retired partner from a large brokerage firm hasone million dollars available to invest in particularstocks or bonds. Each investment’s annual rate ofreturn depends on the state of the economy in thecoming year. The file P09_58.xlsx contains thedistribution of returns for these stocks and bonds asa function of the economy’s state in the coming year.As this file indicates, the returns from stocks andbonds in a fair economy are listed as X and Y. Thisinvestor wants to allocate her one million dollars tomaximize her expected value of the portfolio oneyear from now.a. If X 5 Y 5 15%, find the optimal investment strategy for this investor. (Hint: You could try a decisiontree approach, but it would involve a massive tree.It is much easier to find an algebraic expression forthe expected final value of the investment whena percentage p is put in stocks and the remainingpercentage is put in bonds.)b. For which values of X (where 10% , X , 20%)and Y (where 12.5% , Y , 17.5%), if any,…Cylindrical-conductors has inner and outer radii of 15 mm and 50 mm, respectively. If V(p = 15 mm) = 0 V and V(p = 50 mm) = 200 V, &r = 10 %3D %3D %D calculate : a. V, E, and D at p = 20 mm b. Ps on each plate.Cylindrical-conductors has inner and outer radii of 25 mm and 50 mm, respectively. If V(p = 25 mm) = 0 V and V(p = 50 mm) = 300 V, ɛr = 15 %3D calculate : a. V, E, and D at p = 40 mm b. Ps on each plate. %3D
- (a) In the deep space between galaxies, me density of atoms is as low as 106atoms/m3, and me temperature is a frigid 2.7 K. What is me pressure? (b) What volume (in m3) is occupied by 1 mol of gas? (c) If this volume is a cube, what is the length of its sides in kilometers?5. Bir F = (2î+ 3j)N kuvveti z-ekseni boyunca uzanan sabit bir eksen etrafında dönebilen bir cisme uygulanıyor. Kuvvet, ř = (4î + 5j)m noktasına uygulanırsa, z-eksenine göre net torku ve büyüklüğünü hulunuz.When you are swimming at the bottom of a pool, the water above and around you exerts force on your eardrum. Calculate the force (in N) exerted on your eardrum when you are at the bottom of a pool that is 5.0 m deep. Assume that the area of your eardrum is 1 cm^2 and the density of water is 1000 kg/m^3 (10,000 cm^2 = 1m^2) (Ans: 5N) To solve this, which of the following equation/s should you use (check as many that best applies) O Q = mL O F1_ F2 A1 A2 O F=ma O A1V1= A2V2 O fEdA = denc €0 Ο ΔL αLo Δ . O du = dQ - dW or AU= Q- W O PV = nRT Pz +pgh2 + pv=P1+pgh1+ F Op= O as-S O P= pgh O e=! Tc 1- Tn Ow-ov V2 W = O Fp = P fluidgV submerged Op =m/V F = 4πεο O Tk = T+273.15K
- If A = i+ 5j - kand B = -3i - 2j + 5k. Answer the following problems. 1. 2A +B 2. A- 28 3. A.B 4. AXBw = FjAc = F .Aë , W = m(v;)* - m(u,)* , v 1 zm(us)* - m(v,)* , W = Problem 1: (a) à = 3â – 2ŷ, B = 4â& – 5ŷ. à ·B =? Answer: 22 (b) à = -2â + 4ŷ, B = 3âu – lŷ. Ā·B =? Answer: –10 (c) à = 5â – 3ŷ, B = -3â – 5ŷ. ÷B =? Answer: 0 1 | F,dx , W = F. dř , F, dU W = -AU dx d = 4m F = 20 N 0 = 30° m = 4 kg Hk = 0.5) m = 2 kg F = 40 N Hk = 0.2 Ө — 30° Problem 2: In the figure above on the left we have a force F = 20 N pulling a box to the right at an angle 0 = 30° above the horizontal. The box has a mass m = 2 kg, the coefficient of kinetic firction between the box and the ground is uk = 0.2, and the block moves a distance d = 4 m to the right. (a) What is the work done by the force F? Answer: 69.3 J (b) What is the normal force from the ground? Use g = 10 m/sec² Answer: 10 N (c) What is the work done by the kinetic friction force? Answer: -8 J (d) What is Wnet, the net work done on the box? Answer: 61.3 J (e) The box has an initial speed of 4 m/sec. What is the speed of the box after it has…4. Compute the linear attenuation coefficient of iron oxide (Fe304) at 1 MeV. Use the figures provided and the following information; µc = (Opp x Z?), PPi = g/mole, AFe NeocZ, µpe = Nope (Ope X 2"), Mрp — Nopр 11.3 g/cm³, pre304 = 5.8 g/cm³, Zp = 82, ZFe = 26, Zo = 8, Ap6 = 207.19 = 55.85 g/mole, Ao = 16 g/mole. (Note: µFe304 = µFe+ µ0).