Problem 2.26 A little cat, Bella, walks in a straight line, which we shall call

Question

Problem 2.26 A little cat, Bella, walks in a straight line, which we shall call the x axis, with the positive direction to the right. As an observant scientist, you make measurements of her motion and construct a graph of the little feline's velocity as a function of time. (See the figure (Figure 1).) Part D What is the x component of her acceleration at t = 6.00 s? of her acceleration at t Figure 1of1 ax= 16,67 cm/s' (cm/s Submit Previous Answers Request Answer X Incorrect; Try Again; 17 attempts remaining t (s) Part E 0 1 2 3 456

Explanation / Answer

Part D -

At t = 0, velocity Vi = 8 cm/s

and at t = 6 sec, Vf = 0

Since, acceleration = Change in velocity / time

= (Vf - Vi) / t = (0 - 8 cm/s) / 6 s = - 8/6 cm/s^2 = - 1.33 cm/s^2

So, x -component of acceleration at t = 6.0 s is -1.33 cm/s^2.

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