The motion of a particle is described by the relation = - 10 + 30, where is in metres and in seconds. The total distance travelled by the particle from = 0 to = 10 seconds would be

The motion of a particle is described by the relation = - 10 + 30, wh

1.	The motion of a particle is described by the relation = - 10 + 30, where is in metres and in seconds. The total distance travelled by the particle from = 0 to = 10 seconds would be
A.	zero
B.	30 m
C.	50 m
D.	60 m
E.	none of these.
Answer» B. 30 m

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The motion of a particle is described by the relation = - 10 + 30, where is in metres and in seconds. The total distance travelled by the particle from = 0 to = 10 seconds would be

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