Three forces acting on an object are given by -(2.15i + 6.95j) N, 2- (5.30 - 1.2) N, and F- ( 49) N. The object experiences an acceleration of magnitude 3.85 m/s?.(a) What is the direction of the acceleration?(counterclockwise from the axis)(b) what is the mass of the object?ko(c) If the object is initially at rest, what is its speed after 15.0 s7m/s(d) What.are the velocity compbnents of the object after 15.0 s? (Let the velocity be denoted by v.)) m/s

Answered: Three forces acting on an object are…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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An object with mass m = 34 kg is pushed with 452 N of force to be moved across a distance of 4.6 m on a surface with friction. Initially the object is moving at vi = 0.82 m/s and after being moved across 4.6 m, the final speed is 2.5 m/s. What is the magnitude of the frictional force acting on the object in the unit of N?
He continues on for a while until he encounters a 500. kg boulder blocking his way. He puffs up his chest, crouches a bit, and begins to push horizontally with a force of 2,205 N. The coefficient of friction between the ground and the boulder was 0.450. Was he able to move it out of the way?
A sphere of mass 3.00 × 10-4 kg is suspended from a cord. A steady horizontal breeze pushes the sphere to the right so that the cord makes a constant angle of 30.0° with the vertical. Find (a) the push magnitude and (b) the tension in the cord.

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