Question

Three forces acting on an object are given by F1 = (−1.9î + 6.25ĵ) N, F2...

Three forces acting on an object are given by

F1 = (−1.9î + 6.25ĵ) N,

F2 = (4.60î − 2.4ĵ) N,

and

F3 = (−50î) N.

The object experiences an acceleration of magnitude 3.90 m/s2.

(a) What is the direction of the acceleration?

(b) What is the mass of the object?

(c) If the object is initially at rest, what is its speed after 17.0 s?

(d) What are the velocity components of the object after 17.0 s? (Let the velocity be denoted by

v.

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Answer #1

The direction of net acceleration is same as that of net force.

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