. A freely falling body covers 44.1m in the last second of its journey. The total distance traveled by the body
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Answer:
Distance travelled in first 3 seconds=(1/2)gt
2
=(1/2)×9.8×9=44.1m
Let t be the time taken to travel the total height;
velocity at (t-1)th second =g×(t−1);
distance travelled at the last second =g(t−1)−(1/2)g=g×(t−0.5)=44.1;
hencet=
9.8
44.1
+0.5= 5s
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