the position of a particle going along a straight line is x1=100 metres at 10:00 A.M. and x2 = 200 metres at 10:30 P. M. Find the velocity of the particle
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Expert's answer
2017-10-20T11:45:06-0400
x_1=100 m x_2=200 m t_1=10:00 AM t_2=10:30 PM The velocity v=Δx/Δt=(x_2-x_1)/( t_2- t_1 )=(200-100)/12.5=(100 m)/(12.5 hr)=8 m/hr
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