Angular velocity of a body is is given by w=4t² + 3t + 1 find the angular velocity between time interval 2 sec and 4sec also find the angular velocity for time 2 sec.
please answer it fast.Dont spam.
Answers
Answered by
0
Answer:
Correct option is
C
4m/s
Given,
v=(2t+3)m/s
The average velocity in interval 0≤t≤1,
v
avg
=
∫
0
1
dt
∫
0
1
vdt
v
avg
=
∫
0
1
dt
∫
0
1
(2t+3)dt
v
avg
=
t∣
0
1
t
2
+3t∣
0
1
=
1−0
(1
2
+3×1)−(0−0)
v
avg
=4m/s
The correct option is C.
Similar questions