a particle moving along the x axis has its velocity described by session.mast7 t

Question

a particle moving along the x axis has its velocity described by

session.mast7 tist l reviu 11 cf 15 rnext. Problem 2.24 A particle moving along the x-axis has its velocity described by the function v 2t2 m/s, where t is in s. Its initial position is zo = 2.8 m at to = 0 s Part A At 1.1 s,what is the particle's position? Express your answer with the appropriate units a- Value Units Submit My Answers Give Up Part B At 1.1 s,what is the particle's velocity? Express your answer with the appropriate units ? Submit Incorrect: Try Again; 5 attempts remaining Part C At 1.1 s,what is the particle's acceleration? Express your answer with the appropriate units aValue nits Submit My Answers Give Up Contirue

Explanation / Answer

apply the relation between velocity and distance as

V = dx/dt

so

to get distance, int V with time

we get

Vx dt = 4 t

X = Xo +(4t)

at time t = 1.1 s

X = 2.8 + (4*1.1)

X = 7.2 m

-------------------------

a t = 1.1 s

V = 2*1.1*1.1

V = 2.42 m/s

---------------------------

accleration a = V/t

a = 2.42/1.1

a = 2.2 m/s^2

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