6 Fo Edit View History People Window Help C Vector A Has A Magnitude Of cnoPrive

Question

6 Fo Edit View History People Window Help C Vector A Has A Magnitude Of cnoPriveics: HMWK 12 à Secure https: assignmentProblemID-83972263&offiset; next HMWKE2 Problem 225 eprevious 1 Problem 2.25 Part C What is her acceleration at t-2.0s? Express your answer in centimeters per second squared to two significant figures A little cat, Bella, waks along a straight line, which we shall call the z axis, with the positive direction to the right. As an observant scienost, you make measurements of her motion and construct a graph of the litte feline's velocity as a function of time See the ígure (Figure.3)) My Answers ge Up of Part D What is her acceleration at t 6.0s? Express your answer in centimeters per second squared to two signiticant figures (em/s) My Answers Give Up 0 1 2 34 5 6 Part E What is her acceleration at 7.0 s? 5 6 7 9

Explanation / Answer

v = 8 - (8 / 6)t

v = 8 - 4t/3

a = dv/dt = - 4/3

hence acceleration is constant throughout the motion.

(C) - 4/3 cm/s^2 Or - 1.33 cm/s^2

(D) - 4/3 cm/s^2 Or - 1.33 cm/s^2

(E) - 4/3 cm/s^2 Or - 1.33 cm/s^2

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