

MCQOPTIONS
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1. |
The displacement of a particle undergoing rectilinear motion along the -axis is given by = 2- 21 + 60 + 6 (m)The acceleration of the particle when its velocity is zero, is |
A. | 36 m/s |
B. | ± 18 m/s |
C. | 9 m/s |
D. | - 9 m/s |
Answer» C. 9 m/s | |