Question

DIFFERENTIAL EQUATION PROBLEM

An object with a mass of 2 kg moves along the x-axis and we will assume that the positive direction of movement is to the right. Only one force (in N) is present and opposes the movement. Let v be the speed of the object (in m / s) at time t. The object starts from the origin (x = 0) with an initial speed of 75 m / s. Suppose that the resistance force has a magnitude equal to \frac{3}{2}\left | v \right |

a) how long will it take for the object to reach position x = 70 m?

b) if we let time go to infinity, what total distance will the object travel?

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Answer #1

Vinital = 75mls at x 20 F VDO 9 3v 2 mdo -30- mody - 3 C-30 on dt 2 at do fa v do dre . =-3 20 1 2m A ve to dt dx . is do 22

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