A 20-kg board serves as seesaw for two children. One child has a mass of 30-kg and sits 2.5 m from the pivot point. At what distance from the pivot point must a 25-kg child place herself to balance the seesaw? Assume the board is centered at the pivot.

Q: A roller-coaster car moves 200 ft. horizontally and then rise 135 ft. at an angle of 30.0O above the…

A: Given that:- Movement of roller coaster car is given in the question.

Q: Find resultant

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Q: A force 3 N making angle 17 with x axis. counter clockwise The x component is?

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Q: how about 2 , 3 and 4

A: Dear student,  Since all questions are different as per guidelines we can author only one question.…

Q: 1. For the vectors shown in the figure, find a) A. B b) B.C c) A. C Use either method. Be careful…

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Q: Given vectors p and a have a magnitude of 7 and 2, respectively. Find the magnitude and direction of…

A: Magnitude of p = 7 Magnitude of q = 2 Angle, θ = 150°

Q: Where 31.2 m is the length of the vector and 76.9° is the angle it makes with the y-axis, what is…

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Q: another term for position is ___.

A: Position of an object is the place where it is situated. In physics, position is denoted by a number…

Q: A car starts from the origin and is driven 1.25 km south, then 8.75 km in a direction 57° north of…

A: Given value--- firstly driven 1.25 km south, then 8.75 km in a direction 57° north of east. We…

Q: he second v

A: Given: To find the second vector magnitude and the direction is given as,

Q: There is an electric dipole in the presence of non-uniform electric field produced by a point…

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Q: Vecrors of length 10 and 15 have a Cross product of 150 if i add those vectors, what is the length…

A: The dot product of the two vectors is,

Q: Three force vectors, F1, F2, and F3, have magnitudes of 8 N, 12 N, and 15 N respectively. The angles…

A: Three forces are 8N 12N 15N And their angles from x axis are 45° 90° 135° respectively.

Q: 15 Refer to diagram 4. A spherical lens made of plastic (n = 1.87) has two surfaces curved as shown.…

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Q: Find the angle between vector a and b if a 21 +j- k and b 3i - 6j + 2k

A: a→ = 2i^ + j^ - k^b→ = 3i^ - 6j^ + 2k^

Q: (a) Write a note on vector product or cross product with its characteristics. (b) Find the cross…

A: Given: A→=3i+1j-2kB→=1i-3j+4k

Q: 1. Find the angle between each of the following pairs of vectors: A = -21 + 6) and B = 21-3ĵ A = B =…

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Q: A force of magnitude P = 169 N is applied to the stationary machine handle as shown. Write the force…

A: Given:-  A force of magnitude of P = 169 N was applied to the machine handle. Find:-  Write the…

Q: 5. Vector A S has a magnitude of 35.0 units and points in the direction 325° counterclockwise from…

A: Given : |A| = 35 units θ = 325° counterclockwise from the positive x axis

Q: If A = 5f + 26 – Żand = f – 36 + 42 , find the following: (а) А- В

A: Given data:A=5r^+2ϕ^-z^B=r^-3ϕ^+4z^

Q: This answer is incorrect. Can I get a correct answer please?

A: Here velocity u= 189 ft/sit makes angle 34o with horizontalTime taken to hit the point above h…

Q: estion 7 Find the magnitude of the vector whose x- and y-components are given to be -1.036 and…

A: Given here,X COMPONENT: x=-1.036Y COMPONENT: y=-4.3512

Q: on subtituting the rupected valuej in the above relation we get: R= 2 cos ST + asın i5 +4 cos 25i +…

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Q: Show that V · B = μ₁ μα if 0=C.A

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Q: Multiple choice: It is the result of vector multiplication a. product b. vector product c.…

A: It is a type of vector multiplication.

Q: A vector, V, has a magnitude of 250 N and a direction of 65°. Determine the following: a. Vx = b.…

A: Given data:  Magnitude of the force vector (V) = 250 N Direction (θ) = 65° Required: The x and y…

Q: 82. Find the scalar components of three-dimensional vectors Gand H in the following figure and write…

A: Three dimension vector in terms of spherical polar co-ordinates…

Q: In the cross (or vector) product qu x B we know that 9=1 -307 +9.07+-212 -3.07+4.07 +6.0 B=B₁1+B7+BA…

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Q: Part C Enter the expression -20 + 6D in the answer box using the notation just described. Express…

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Q: The plane is inclined at an angle of theta = 0 = 61 degrees away from vertical. The coefficient of…

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Q: Given c=3.21 and b=1.32, what is a? Round to two decimals

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Q: v = i - 5j, w = 2i +j+2k and the angle between v and w is 45, find v. w and v X w

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Q: A force of 100N makes an angle Determine both the x-component with the x-axis and has a y-component…

A: Component of force along x axis = A Cosθ  Component of a force along y axis  = A Sinθ

Q: Describe about calculating the vector sum of two or more vectors.

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Q: Find the cross products of: 1. vector c x vector d 2. vector d x vector c when c = 12 and d = 14…

A: Cross product of two vector A̅ × B̅ =( AB sinθ ) n̂

Q: Vector A = 7.4 i + 3.2 j.  Vector B = 3.7 i - 7.1 j. Calculate the angle between the two vectors in…

A: Given data The vector A is given as A = 7.4 i + 3.2 j The vector B is given as B = 3.7 i – 7.1 j.…