Question #254731
an object moves in a straight line northward at a speed of 5m/sec .and its speed reaches 20m/sec . through 3seconds (a)the velocity after 3 seconds
1
Expert's answer
2021-10-21T16:33:23-0400
a=2053=5ms2V=20+5(3)=35msa=\frac{20-5}{3}=5\frac{m}{s^2}\\V=20+5(3)=35\frac{m}{s}


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