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Chapter 1 Solutions
Classical Dynamics of Particles and Systems
- If a is a constant vector, show that ax (Vx 7) à = a, î + a, î + a, k, 7=nî+rŷ+gk -> ах V(a.r)-(a.V) r. r = ; i +, j+r,karrow_forwardWhich of the following is not true? ○ V1 (1) V2 (2) = V₁ (2) √₂ (1) ○ V1 (1) V2 (2) + $1 (2) 42 (1) = V1 (2) √2 (1) + V1 (1) ½₂ (2) O All equations are true. O All equations are incorrect. ○ V1 (1) V₂ (2) — V₁ (2) V₂ (1) − −V1 (2) V₂ (1) + V1 (1) √2 (2) =arrow_forwardVector v = <-4,4> and vector w = <-2,-1>. Draw the vector v+w and give its component form.arrow_forward
- Problem 4: Two points in a plane have polar coordinates P1(2.4 m, Jt/6) and P2(3.8 m, 2jt/3). P1(, y) m 20% Part (a) Determine the x value of the Cartesian coordinates for Pj.arrow_forwardGiven that the acceleration vector is a(t)=(−16cos(−4t))i+(−16sin(−4t))j+(1t)k, the initial velocity is v(0)=i+k, and the initial position vector is r(0)=i+j+k, compute: A. The velocity vector v(t) B. The position vector r(t)arrow_forward1.5 Scalars and Vectors A vector has magnitude 12.7. Rounding off, which pair of components could not produce this vector? O 10.2, 5.5 O 9.6, 8.3 O 12.2, 3.5 O 6.3, 11.0 O 7.1, 10.5 Save for Later Subr Cal_Fall.pdf X Parrow_forward
- For the given vectors V₁ and V₂, determine V₁ + V₂, V₁ + V2. V₁-V₂, V₁x V2, V₁ V₂. Consider the vectors to be nondimensional. Assume V₁ = 15, V₂ = 21, a = 3, b = 5,0 = 22° Answers: V₁ + V₂ = i V₁ + V₂ = (i j+ k) V₁-V₂= (i j+ k) V₁xV₂ = (i j+ k) V₁ V₂ = i+ i+ i+ i i i iarrow_forwardA bottle rocket is launched straight up. Its height in feet (y) above the ground x seconds after launch is modeled by the quadratic function: y = -16x2 + 124x + 8. How many seconds did it take the rocket to strike the ground? O 8.59 seconds o 7.814 seconds 7.31 seconds O 8.295 seconds b narrow_forwardHi! Can you help me now? I need to review today for our exam tomorrow, I hope you can help me ASAP. Round off the final answer to 3 decimal places.arrow_forward
- For the given vectors V₁ and V₂, determine V₁ + V2, V1 + V2, V1-V2, V1 V2, V₁ V₂. Consider the vectors to be nondimensional. Assume V₁ = 14, V₂ = 19, a = 3, b = 4,0 = 23° V₂ a Answers: V₁ + V₂ = V₁ + V₂ = i i V₁-V₂= (i V1 V₂ = V₁x V₂ = (i i Ө V₁ i+ i+ i+ i i i j+ i j+ j+ i i k) k) k)arrow_forwardGiven a vector A, what is A∙A equal to? What is A×A equal to?arrow_forwardHi! Can you help me now? I need to review today for our exam tomorrow, I hope you can help me ASAP. Round off the final answer to 3 decimal places.arrow_forward
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