Question
Locomotive A travels 100km/hr and locomotive B travels 140km/hr. Locomotive B starts 15 kilometers Behind locomotive A and travels on the same direction.
Find the time elapsed and how far each traveled before they meet.
Find the time elapsed and how far each traveled before they meet.
Answers
Elena
v(B)t-v(A)t=15
t=15/(v(A) –v(B)) = 15/(140-100)=0.375 h = 22.5 min
s(A) = v(A)t=100•0.375 =37.5 km,
s(B) = v(B)t=140•0.375=52.5 km
t=15/(v(A) –v(B)) = 15/(140-100)=0.375 h = 22.5 min
s(A) = v(A)t=100•0.375 =37.5 km,
s(B) = v(B)t=140•0.375=52.5 km
Steph
thanks you!