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If you are worried about aieee 2009 then see this

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abhas
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PostSubject: If you are worried about aieee 2009 then see this Sat Nov 29, 2008 2:31 pm

these are three aieee 2008 physics questions.I hope after seeing these questions you will get little relief


80.
Consider a uniform square plate of side a and mass m. The moment of inertia of this plate about an
axis perpendicular to its plane and passing through one of its corners is


81. A body of mass m = 3.513 kg is moving along the x-axis with a speed of 5.00 ms−1. The magnitude of
its momentum is recorded as
(1) 17.6 kg ms−1 (2) 17.565 kg ms−1
(3) 17.56 kg ms−1 (4) 17.57 kg ms−1

82. An athlete in the olympic games covers a distance of 100 m in 10 s. His kinetic energy can be
estimated to be in the range
(1) 200 J − 500 J (2) 2 105 J − 3 105 J
(3) 20,000 J − 50,000 J (4) 2,000 J − 5,000 J


80
(2/3)ma
2

81

Sol. (1)
P = mv = 3.513 5.00 ≈ 17.6

82
Sol. (4)
Approximate mass = 60 kg
Approximate velocity = 10 m/s
Approximate KE = 1 60 100 3000 J
2
=
KE range ⇒ 2000 to 5000 joule
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