Neglect the diameters of the small pulleys and establish the relationship between the velocity of A and the velocity of B for a given value of y. If b = 1.23 m, y = 0.83 m, and vA = 2.04 m/s downward, what is the velocity of B (positive if downward, negative if upward).

Q: (a) In unit-vector notation, what is the sum of á (3.3 m )î + (3.6 m )ĵ and B = (- n )i+(6.9 m ).…

A:

Q: A vector has components Ax = 12 m and Ay = 5.0 m. What is the magnitude of vector ?

A: Given the x and y components of vector A.Ax = 12 m and Ay = 5 m

Q: The x- and y-components of a vector are: vx = 2.0 m/s, vy = -6.0 m/s.  Find the magnitude of the…

A: Given: horizontal x component of velocity vx=2.0 m/s. vertical y component of velocity vy=-6.0 m/s.

Q: scalar or vector.

A:

Q: You must use kinetics (F=ma). A car stops over a distance of 51.2 m from a velocity of 11 m/s,…

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Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”