Question

A car travels at 60 miles per hour. How much time does it take the car to travel 30 miles? Select one: a. 1 hour b. 1/2 hour c. 3/4 hour d. 2 hours

Answer 1

Answer:

b.$t=\frac{1}{2} hour$

Explanation:

Conceptual analysis

The average velocity (v) is defined as the ratio between the displacement (d) that a body performed and the total time (t) that the displacement lasted and is calculated using the following formula:

$v=\frac{d}{t}$Formula (1)

v: velocity

d: Displacement

t: Time

Known data:

$v=60 \frac{miles}{hour}$

d = 30 miles

Problem development

We replace data in formula (1):

$60\frac{miles}{hour}$=$\frac{30miles}{t}$

$t= \frac{30 miles}{60\frac{miles}{hour} }$

$t=\frac{1}{2} hour$

Answer 2

The car is traveling at 60 miles per hour. Theoretically, at this pace, It'll take (B.), 1/2 an hour.


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