7. An elevator cab that weighs 27.8 kN moves upward. What is the tension in the cable if the cab's speed is (a) increasing at a rate of 1.22 m/s² and (b) decreasing at a rate of 1.22 m/s??

Q: 1. What is the scalar product of vectors X and Y, if X = 3.00 î+ 5.00 ĵ and Y = 3.00 î - 5.00 ĵ? A.…

A: According to question we need to find--- scalar product of given vector?

Q: Use the definition of scalar product, a b =ab cosθ, and a b =ax bx + ay by to calculate the angle in…

A:

Q: You are given the following two vectors:  a = j + 2k, b = 2i - j  1. Calculate the scalar product…

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Q: A particle moving in the y plane is subject to the force given by C F(x, y) = y2)3/2 where c is a…

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Q: Find the scalar product of the vectors in the figure below, where 0 119° and F = 33.5 N. %3D 132°…

A: F = 33.5 N  d = 17.3 cm= 0.173 m  Angle between both the vectors = 19 degree

Q: A floating ice block is pushed through a displacement á = (27.0 m )î – (22.0 : j along a straight…

A: Given data:  Displacement d→ = 27.0mi^ -22.0mj^ Force F→ = 178Ni^ -152Nj^ Required: Work done

Q: 5. A particle moves horizontally in uniform circular motion, over a horizontal xy plane. At one…

A:

Q: Given two vectors: M = -31 + 6j – 5k and N= -21 + 3j + k The vector dot product M· Nequals A 29 B 19…

A: Given: M→=-3i^+6j^-5k^N→=-2i^+3j^+k^

Q: If the scalar product of two vectors is equal to the magntitude of their vector product, what is the…

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Q: Consider the two vectors A 5i-6j+ 2k and B= 3i- 5k. What is the dot product A B ? O -25 O 25 O -45 O…

A: Given data:  A→ = 5i^ - 6j^ + 2k^B→ = 3i^ - 5k^ Required: The dot product of vector A and vector B

Q: Calculate the work done from x=0.0 to x = 7.0 m by the one-dimensional force depicted in the…

A: Note:- The area under the force-displacement graph gives the work done.Given- the graph of one…

Q: Write an expression for the kinetic energy of an object in a circular orbit. Write this in terms of…

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