A car travels at a constant 60 km per hour in the positive direction down a straight line highway. What is the displacement, in standard units, of the car 45 minutes later? A.

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Answer:

s = 45000 m

Explanation:

The displacement covered by a person or an object traveling at a constant speed can be calculated by the following formula:

s = vt

where,

s = displacement = ?

v = velocity of car = (60 km/h)(1 h/3600 s)(1000 m/1 km) = 16.67 m/s

Answer:s = 45000 m

Explanation:The displacement covered by a person or an object traveling at a constant speed can be calculated by the following formula:

s = vtwhere,

s = displacement = ?

v = velocity of car = (60 km/h)(1 h/3600 s)(1000 m/1 km) = 16.67 m/s

t = time taken = (45 min)(60 s/1 min) = 2700 s

Therefore,

s = (16.67 m/s)(2700 s)s = 45000 m