Question

The wheel of a motor accelerates uniformly from rest. In
the first second it rotates through an angle of 2 radian.
What would be the angle through which it rotates in the
next second?


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Answer 1

Answer:

hi friend

θ=ω₀t+

2

1

αt

2

given:

θ=2rad

ω₀=0;

t=1sec;

α=?

using this values we get

⟹2=0×t+ 12a12a

α1

2

⟹α=2×

⟹α=4rad/s

2

Angle turned during the first 2sec

2

:

2

1

αt

2

=

2

1

4×2

=8rad

Angle turned during the 2nd second=8rad−2rad =6rad

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