Suppose a vector v makes an angle ϕ with respect to the y axis. part a what could be the x and y components of the vector v ? express your answers in terms of the variables v and ϕ separated by a comma.

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What is the measure of a change in an objects velocity?

Asolid round steel rod 6.25 mm in diameter and 375 mm long is rigidly bonded to the end of solid square brass rod 25 mm on a side and 300 mm long. the geometric axes of the bare are along the same line. an axial tensile force of 5.4 kn is applied at the extreme ends of the assembly. for steel e = 200 gpa and for brass e = 90 gpa. determine the total elongation for the assembly.