Question

25. Figure given below shows the graph of velocity v of particle moving along x-axis as a function of time t. Average acceleration during t = 1 s to t = 7 s is v (m/s) 30 3 26 18

NEET/Medical Exams

Physics

Solution

538

2.7 (3 ratings)

( V_{1}=frac{20+0}{2}=10 mathrm{m} / mathrm{s} ) ( v_{2}=frac{30+20}{2}=25 mathrm{m} / mathrm{s} ) ( t_{1}=1 mathrm{s} ) ( t_{2}=7 mathrm{s} ) ( a_{0 v}=frac{v_{2}-v_{1}}{-l_{2}-t_{1}} ) ( =frac{25-10}{7-1} ) ( =frac{15}{6} ) ( =2 cdot 5 mathrm{m} / mathrm{s}^{2} )