The distance travelled s (in cm) by a particle in t seconds is given b – McqOptions

MCQOPTIONS

1.	The distance travelled s (in cm) by a particle in t seconds is given by s = t3 + 2t2 + t. The speed of the particle after 1 second will be:
A.	8 cm / s
B.	6 cm / s
C.	2 cm / s
D.	None of these
Answer» B. 6 cm / s

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