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olya-2409 [2.1K]
3 years ago
13

Traveling at an average rateaverage rate of between 50 and 60 miles per hour for 4 to 7 hours select the best estimate for the d

istance traveled.
150miles
315 miles
340miles
415miles
Physics
1 answer:
borishaifa [10]3 years ago
3 0

Answer:

best close estimate distance is 315 miles

Explanation:

given data

speed v1 = 50 miles per hour

speed v2 = 60 miles  per hour

time t1 = 4 hr

time t2 = 7 hr

to find out

best estimate for the distance traveled

solution

we know lower end distance

distance = v1 × t1

distance = 50 × 4 = 200 miles

and

upper end distance

distance = v2 × t2

distance = 60 × 7 = 420 miles

so middle value distance is

v = 55 miles per hour and t = 5.5 hours

distance = v × t  

distance = 55 × 5.5

distance = 302.5 miles

so best close estimate distance is 315 miles

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<h3>Calculation:</h3>

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​

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