73. Acceleration - time graph shown below for a particle in rectilinear motion. The average
acceleration in first twenty seconds is
(1) 45 m/s2
(3) 30 m/s2
(2) 40 m/s2
(4) 20 m/s2
with full explanation plz
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Answered by
2
Answer:
The answer is 30 m/s2.
Explanation:
Average acceleration=
time
area of OABE
time=20s
Area of OABE=Area of OAD + Area of ABED
=
2
1
×10×40+10×40
=200+400
=600
∴Average acceleration=
20
600
=30m/s
2
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Answered by
0
Answer:
40 m/s2
Explanation:
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