1. Calculate the potential energy, kinetic energy, mechanical energy, velocity, and height of the skater at the various locations. PE - KE - ME - PE - KE- ME - 2) PE - KE - 1 m ME - m= 60 kg v= 8 mls

Q: Question 9 Find (À x C) · (Č×B) given the following vectors: A = 21 + 5j B = -31 – j+ 2k = 1 + 4j

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Q: 6. Calculate and draw (on the graph above) the sum of the two vectors from above (r₁ + r₂) and the…

A: Here r1→=3i^-2j^r2→=i^+3j^Now,r1→+r2→=(3+1)i^+(-2+3)j^=4i^+j^r1→-r2→=(3-1)i^+(-2-3)j^=2i^-5j^

Q: 2 m 2 m 4 m 3 m F= 630 N 4 m B

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Q: am Kam) Î. The vector difference D=Ã-B is: ACom)î+8 (m) ŷ-Carm) Ê D-2m)î + (4m)ŷ-(4m) E E)none of…

A: Given: A→=(2m) i^ +(6m) j^ - (3m) k^  B→=(4m) i^ +(2m) j^ + (1m) k^     To find difference D→=A→ -B→…

Q: What vector quantity is involved in the following problem?

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Q: Don't use chatgpt will upvote

A: Part (a) Determine the unit vector that defines the direction of FAB​Determine the coordinates of…

Q: Two vectors are given by Ū=4i-j+3k and V=-i+2j+k What is ÜxV ?

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Q: 4) Two vectors, A= 2x 3y and B= 4x 4y. The magnitude of A+B is: A) 4.3 B) 5.1 C) 7.8 D) 6.4 E) 9.2

A: A→=2x^-3y^B→=4x^-4y^where x^ and y^ are unit vectors along x and y directionso…

Q: A cat rides a merry-go-round turning with uniform circular motion. At time 3.5s, the cat's velocity…

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Q: Two conductors carry currents in the plane of the page, as shown. Find the magnitude and direction…

A: Given data The magnitude of the current in the wire loop is I1 = 2 A The magnitude of the current in…

Q: Assuming the +x-axis is horizontal to the right for the vectors in the following figure, find the…

A: a)Resolve vector A into respective x and y components as,

Q: Two vectors are parallel if and only if: -The angle between them is < 90° -The angle is obtuse -The…

A: To explain : the condition for two vectors being parallel

Q: 2. A hiker walking 10 km west then 25 km south

A: Required answer of problem(2)

Q: What is the angle between the vector A = +3i - 2i - 3k and the +y-axis?

A: Given:Vector are,A→=3i^-2j^-3 k^  ...(1)B→=Along y-axisB→=y^=j^  .... (2)We know,cosθ=A→.B→|A||B|…

Q: Is a statement abo B (15.0 m) D (10.0 m) 30.0 53.0 25.0 Č 12.0 m) A (8.00 m)

A: Consider the figure of vector as drawn below:- On resolving components along horizontal &amp;…

Q: (3î - î). B В and (h) B-B. 60" A 10 0 30° 30° 53 D 20.0 37 62. Assuming the +x-axis is horizontal to…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: find the sum of these 4 vectors: A= 5j B= 6i C= -5j D= -4i + 2j

A: Given data:  A= 5j ;   B= 6i C= -5j ;   D= -4i + 2j Required: Sum of vectors A, B, C and D

Q: how would the unit circle be helpful to calculate the vectors?

A: Given:- How would the unit circle be helpful to calculate the vectors? Find:- Explain?

Q: Two vectors are given by A = 3 î + 6j and B = -1 î + j. (a) Find A x (b) Find the angle between A…

A: Given that  A = 3i^ +6j^ B = -1i^ +j^A→ x B→ = i^j^k^360-110      = (6 x 0) -(0 x 1) i^  -(3 x 0)…

Q: Find the Vector projection of A= and B=

A: Given, Vectors, A = 2, 1, 5, B= 5, -2, 7 The vector projection of vector A→ on vector B→ is…

Q: (e) [p, f(f)] (f) [â, Ħ] for general potential V (x)

A: [?,?(?)]?=(??(?)−?(?)?)?[p,F(x)]ψ=(pF(x)−F(x)p)ψ knowing that ?=−?ℏ∂∂?p=−iℏ∂∂x you'll get…

Q: Why are the vertical vectors equal in magnitude but opposite in direction?

A: In the given diagram, Fg is the action force that acts on the body due to the body's weight, and FN…

Q: Two forces, F and F2, act at a point. F1 has a magnitude of 9.80 N and is directed at an angle of…

A:

Q: 12. Two vectors are given as follows: A = 3i + 5j- 4k B = 3i + 4j + 2k The vector sum of two vectors…

A: Data  we have A→=3i^+5j^-4k^B→=3i^+4j^+2k^

Q: A microwave is equipped with two sources of microwave light that emit at a frequency of f = 18.8…

A:

Q: 24. Find the x- and y-components of the four vectors shown in the drawing. y4 y4 7.0 m 20.0° x 20.0°…

A: Given, Four vectors

Q: . All quantities here are in meters, written as (x, y, z) Given two vectors: A = (2.0 m, -1.0 m, 0.0…

A:

Q: c) 6 N 10% 9 N 60⁰ 15⁰ 7N 8 N (Ans: 11.48 N✓ 54.6°) Determine the magnitude and direction of the…

A: Given, There are forces in xy plane The magnitude of forces areF1=9NF2=6NF3=7NF4=8N

Q: B) Let u = 5i-j+k, v = j-5k, w = -15i+3j-3k. Which vectors if any, are 1) perpendicular? 2)…

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Q: two boys searching for buried treasure are standing underneath the same tree. One boy walks 18 m…

A: Given: The displacement of the first boy is 18 m west and 18 m north. The displacement of the second…

Q: 27. Review. A 5.75-kg object passes through the origin at time t = 0 such that its x component of…

A:

Q: The angle made by the two vectors S=3 i +4j+5k and M=3i+4j+5k is: A) 90 B 45 C) 0 D) 180 E) No…

A: Given:-  Two vectors are as  S→ = 3i^+4j^+5k^M→=  3i^+4j^+5k^ Find:- The angle made by the two…

Q: Find the result of the expression

A: Given,  2,1Lx2,0we…

Q: Angular momentum is conserved when: O No answer text provided. O the external torque is greater than…

A: Torque: The actual rate of change of the system's total angular momentum L is equal to the net…

Q: If vector A =yi-xj+zk the curial of vector A is -2k O 2k O -21 O -21 O

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Q: You have the following vectors: A=-7.9i+9.73 B-7.11+-1.23 Calculate the magnitude of A - 2B. Your…

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Q: The magnitude F (in newtons) of a force F and the magnitude G (in newtons) of a force G satisfy the…

A: According to question we need to find value of A.

Q: y F1 = 30 N %3D 3 4 F3 = 50 N 20° F2 = 20 N

A: →F1 = 30 ((-4/5) i^+ (3/5)j^) →F1 = -24i^ + 18j^→F2 = 20 ((-sin20o) i^- (Cos20o)j^) →F2 = -6.84i^ -…

Q: At the instant shown, point P on the cable has a velocity Vp = 12 m/s which is increasing at a rate…

A: Given: The velocity at point P is 12 m/s.            The acceleration at point P is 6 m/s2.…

Q: A vector and has a magnitude of 7 units, and has a magnitude of 5 units, and the cross product of…

A: The physical quantity which has both magnitude and direction is considered as vector, otherwise…

Q: 1- (Exercise) Given the vectors A = Ti-2), B =i-3k, and C = 2i-2j+3k, calculate the fol- (1) lowing…

A: Given, A→=7i^-2j^B→=i^-3k^C→=2i^-2j^+3k^ d. A.→B→=A→B→cosθ…

Q: The scalar product A B of the two vectors A = 2i + 3j and B = i– 2j is * O -4 k O 2i - 6j 8 k

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Q: the vector some of 80 N in the -x direction and 30 N at an angle of 53 with the +x axis is   ......…

A: Given: The first force vector is -80 N. The second force vector is 30 N. The angle between the…

Q: you place a 5.000 g weight on the scale and the balance reads that the weight is 5.983 g. what is…

A: