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Answer to Question #13865 in Mechanics | Relativity for Nick
Question #13865
A car travels at 67 km/hr for 2.00 hr and 115 km/hr for 3.00 hr. What is its average speed?
Expert's answer
We have that
v1 = 67 km/hr
t1 = 2.00 hr
v2 = 115 km/hr
t2 = 3.00 hr.
Then the average speed is
v = (v1*t1 +
v2*t2)/(t1+t2)
= (67*2 + 115*3)/(2+3)
= 95.8 km/hr
v1 = 67 km/hr
t1 = 2.00 hr
v2 = 115 km/hr
t2 = 3.00 hr.
Then the average speed is
v = (v1*t1 +
v2*t2)/(t1+t2)
= (67*2 + 115*3)/(2+3)
= 95.8 km/hr
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