A wire with a length of 3.8 m and a mass of 0.71 kg is in a region of space with a magnetic field of 0.78 T. What is the minimum current needed to levitate the wire? Express your answer using two significant figures.

Q: 2) Derive the expression for the time rate of change of the spherical unit direction vector j…

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Q: Don't use chat gpt plz Solve correctly

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Q: dot product of C and B

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Q: Consider the two vectors à = 7î – j and B = -3î – 2j. a) Calculate 3Ã-B b) Calculate Ā+2B c)…

A: A→=7i^-j^B→=-3i^-2j^a)3A→-B→=37i^-j^--3i^-2j^            =21i^-3j^--3i^-2j^…

Q: ↑ ↑ TH Ē 5.00 km, 30° N of E F = 4.00 km, 45° N of W - 3.00 km 60° N of E

A: According to question we need to find unit vector.

Q: Use the law of sines and the law of cosines, in conjunction with sketches of the force triangles, to…

A: Let F1=90lb and F2=110lb

Q: TRO A=√Zx B = 2√2 (-9) Find the scalar product A - B

A: Given data:  The vectors A and B A→ = 2 x^B→ = 22 (-y^) Required: The scalar product of vector A and…

Q: Vector AB has an initial point (-9, 8), an a component of 4, and a y component of -11. Find the…

A: CONCEPT:

Q: Vectors I) Sketch, then calculate the components of vectors. the following 360,0m @ 45° N of E…

A: 1) Draw the schematic diagram with components.

Q: 2) Find the resultant displacement of the following 3 displacements: A = 12.0 m, @ 22.0° E of N B =…

A: The given values, A→=12sin22° i^+12cos22° j^=4.50 i^+11.13 j^   B→=8cos17° -i^+8sin17° j^=-7.65…

Q: Calculate the displacement traveled by a person when he starts walking from a point A on a circular…

A: Given Data : The radius of the park is given as r = 5m.

Q: A vector quantity is described with a direction and a scalar is not Select one: O True O False

A: Answer -: true Vector quantity describes by direction and magnitude both.

Q: Convert the following Vectors to a Unit Vector: A= 5.5m/s, 20° N of E B= 13.5 m/s, 67° S of E

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Q: For the following three vectors, what is 3 C (3A x B A = 3.00î + 4.00 – 3.00k B=-4.00î + 3.0oj +…

A: A→ = 3i^ + 4j^ - 3k^B→ = -4i^ + 3j^ + 2k^C→ = 6i^ - 7j^3.C→ = 3.(6i^ - 7j^)= 18i^ - 21j^

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: The following vectors; A =, B = 1- Find the cross product 2- Find the angle between Ä and B. 3-…

A: Given,  A→= -2i^+4j^+2k^B→=-6i^+4j^-2k^1. A→×B→=-8-8i^+-12-4j^+-8+24k^=-16i^-16j^+16 k^2. Since we…

Q: ū u = (5,8) Find the direction angle of u. Enter your answer as an angle in degrees between 0° and…

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Q: The vector product of vectors A and B is maximum, therefore * O O vectors A and B are parallel in…

A: Given: The two vectors are A and B. To find: The condtion for the maximum vector product.

Q: Find the angle between ?⃗⃗ = [1, −2,4] and ?⃗ = [−2,0,3] when they are positioned tail to tail.…

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Q: What is the sum of the three vectors in the 2/3 picture: à = (4.2 m)î – (1.5 m)ĵ, ¯ = (−1.6 m)i +…

A: The sum of the three vectors are given by: a→=4.2 i-1.5 j mb→=-1.6 i+2.9 j mc→=-3.7 j mThe sum of…

Q: Imagine a force T, with a magnitude other than 0, which makes an angle of 60° with the vertex Find…

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Q: Six vectors are shown below. ン Select all vectors which have the same magnitude.

A: The quantities which has both magnitude and direction are called vectors. A vector has a head and a…

Q: #1) Given the vectors A = (1, -3,5) and B = (6,-4, 2) find the following (make sure to use proper…

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Q: The angle made by the two vectors Ŝ = 37 + 4ĵ +5k and M =3î+4ĵ +5k is: А) о B) 90 C 45 (D 180 E) No…

A: Given that, vector:S→=3 i^+ 4 j^ +5 k^M→=3 i^+ 4 j^ +5 k^   A single point will defer the angle…

Q: Describe the vector addition with the vector component method?

A: In this question we have to describe the vector addition. Please give positive feedback if the…

Q: Given vector X = 18m 29 N of W and vector Y = 9m, 80 S of E

A: VectorX=18 m 29°N of W And Vector Y= 9 m 80°S of E Determine X-Y in unit vectors   Unit vectors are…

Q: Wanting to get into the budding field of interplanetary travel, I decided to challenge Elon Musk and…

A: Solution: From the given graph, write the expression for the function. f(x)=m∆x+c Here, m is the…

Q: L is a straight line in the plane, point A is at a distance of 2cm. from L Show how to draw a circle…

A: To draw a circle of radius 3cm that passes through point A and its center lies on the straight line…

Q: #8) Given the vectors A= (1, -3,5) and B = (6,-4, 2) find the following (make sure to use proper…

A: Vector =(1,-3,5)Vector =(6,-4,2)“Since you have posted a question with multiple sub parts, we will…

Q: Given two vectors: M = -31 + 6j – 5k and Ñ = -21 + 3j + k %3D The magnitude of vector N is: A 3.74…

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Q: A vector p is given by (-5,-8). Find the magnitude and direction of p.

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Q: Use the information about vectors S and T provided below in the following exercises. T.x=0m |T|= 10m…

A: Disclaimer: “Since you have asked posted a question with multiple sub-parts, we will solve the first…

Q: What is the vector product of the following vectors? Show your solution  ?=3?+5?−2?   ???…

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Q: Determine the resultant when the following three vectors are added           together:…

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Q: Don't use chat gpt It Chatgpt means downvote

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Q: Find the vector from B to A (4 B), given thatA = and B =. Answer should be in this form:

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Q: Determine the x- and y-coordinates of the trapezoidal shape. y 2.3 b Answers: (x, y) = b 1.4 b J i…

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Q: Why do we define covariant and contravariant vectors?

A: The covariant components  (x1,x2)  of  M  are the perpendicular projections on the coordinate axes.…