Q: Find: ® l-30) O15ul lav-7ul u.V ® The angle between u and v. For © u=sj-3k ( vaitj+k
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A: Given data: A→=6.00i^-8.00j^ B→=-8.00i^+3.00j^ C→=26.0i^+19.0j^
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Q: Trial Measurement (in °C) 30.1 30.6 30.2 31.0 30.4 4. 123
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A: Given: A→ = 6.00i^ + 8.00j^ unitsB→ = -8.00i^+3.00j^ unitsC→ = 26.0i^+19.0j^ units aA→ + bB→ +cC→ =0…
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Q: An element makes up 0.0021% of the Earth's continental crust by mass. Express this in ppm (parts per…
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Q: Problem 2: Suppose that a person has an average heart rate of 70.5 beats/min. Randomized Variables r…
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- This is equivalent to? γ α πT kTIf H(0) = 8 cos 8, find H'(0) and H"(0). H'(0) = H"(0) =w = 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…
- If $ (x,y,z) ху?г and A %3 xz i - xy? j + yz?k, find (OA) at the point (2,–1,1). %3D dx dz O 2i-4j O 4i - 2j O 2i+4j O 4i + 2j1f: A-3)-J+K and B =1-3J +K calculate bhe veetos (ċ) sSo that Ā-B + ĈsaThe continuity equation satisfied by u = 4xy+y?, v= 6xy+ 3y 10 u= 3x^2-2y^2, v=-6xy .II O u=x-4y, v=y-4x .IIIO