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An automobile travels in a straight line for 10 seconds at 20 m/s then accelerates uniformly to a speed of 30 m/s in the next 10 seconds. Find the total displacement.
A. 800 m
B. 450 m
C. 500 m
D. 550 m
Thanks
A. 800 m
B. 450 m
C. 500 m
D. 550 m
Thanks