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JEE Advanced 2016 Paper 1

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Question : 12

Total: 54

The position vector

of a particle of mass m is given by the following equation

ms−3,β=5ms−2 and m=0.1 kg At t=1s, which of the following statement(s) is(are) true about the particle?

The velocity
→
v
is given by
→
v
=(10
∧
i
+10
∧
j
)ms−1
The angular momentum
→
L
with respect to the origin is given by
→
L
=−(
5
3
)
∧
k
Nms
The force
→
F
is given by
→
F
=(
∧
i
+2
∧
j
)N
The torque
→
τ
with respect to the origin is given by
→
τ
−(
20
3
)
∧
k
Nm

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