26. A body moves in a straight line along Y-axis. Its distance)
(in metre) from the origin is given by y=8t - 3t2. The average
speed in the time interval from t=0 second tot=1 second is
(a) -4 ms (b) zero (c) 5 ms-1 (d) 6 ms!
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Answered by
0
Answer:
pata nahi
Explanation:
Answered by
5
Answer:
Explanation:
y=8t-3t^2
dy/dt=velocity =8-6t
the at at which paticle will change its direction is 8-6t=0 ,t=8/6
for average speed between 0 to 1
position of particle at t=0 is 0 and at t= 8/6 is 16/3 =5.3 and at t=1 is 5
total distance travelled = 5.3 +0.3=5.6 speed =5.6
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