htt ork 2 2.11-Enhanced-with Feedback Part A 1) shows the velocity graph of a pa

Question

htt ork 2 2.11-Enhanced-with Feedback Part A 1) shows the velocity graph of a particle moving the z-axis. Its initial position is o-20 m at At t 1.0s, what is the particle's posision? Express your answer to two significant figures and include the appropriate u ay want to review (Pages 44-48 z Value m Submit X Incorrect Try Again; 4 attempts remaining Part B At t 10s, what is the pardicle's velocity? Express your answer to two significant figures and include the appropr iate units. igure 1of1 v, (m/s) Value Units Part At t 10swhat is the particle's acceleration? Express your answer to two significant figures and include the appropriate units 0 0 a

Explanation / Answer

here,

displacement = area under the velocity vs time curve

a)

x0 = 2 m

at t = 1 s

x - x0 = ( 4 * 1) + 0.5 * (6 -4) * 1

x - 2 = 4 + 1

x = 7 m

at t = 1 s ,

the particle's position is x = 7 m

b)

at t = 1 s

the particle's velocity is 4 m/s

c)

acceleration = slope of velocity vs time curve

a(1) = (0 - 6) /( 3 - 0) = - 2 m/s^2

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