The position of a particle moving along x-axis is related to time 't' as follows x = t^2 - 3t (x is in mband t in seconds). Particle's average speed in first 3 seconds is
(a) 3/2 m/s
(b) 3 m/s
(c) 2m/s
(d) 0
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Answer:
Answer 3
dx/dt=t²-3t
=2t-3
=6-3
=3
aradhyapriya787:
answer is 3/2 m/s
n u have to find average speed....not only speed
ok
let me check
pleasure a lot....thanx
how 3/2
that is the question....frnd
ok
when I solved I get the answer 0...
how
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