1.

Find the average velocity in the time intervals (a)0 to 2s,(b)0 to 4s, (c)2s to 4 s, (d)4 s to 7 s , (e) 0 to 8 s.Find instantaneous velocity at (a)t=1.0s (b)t=3.0s(c) t=4.5 s (d)t=7.5 s in the graph.

Answer»


Answer :(a)`5MS^(-1);`(b)`1.2ms^(-1)`(c) `2.5ms^(-1);`(d)`-3.3ms^(-1);`(E)0;
(a)`5ms^(-1);`(b)`-2.5ms^(-1);`(c) 0; (d)`5.0 ms^(-1)`


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