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When a woman walks south at a speed of 2.0mph for 60 minutes. She then turns around and walks north at a distance of 3000m in 25 minutes. then the woman's average speed during her entire motion would be 73.15 meters /minute.
<h3>What is speed?</h3>
The total distance covered by any object per unit of time is known as speed.
the mathematical expression for speed is given by
speed = total; distance /total time
As given in the problem a woman walks south at a speed of 2.0mph for 60 minutes
60 min = 1 hour
1 mile = 1.60934 km
The distance covered by her southwards = speed ×time
=2 mph × 60 minutes
= 3.218 km
She then turns around and walks north at a distance of 3000m in 25 minutes
The distance covered northward is 3000m
speed = total distance /total time
=(3218 +3000) /(60+25)
=73.15 meters /minutes
Thus, The average speed of the woman would be 73.15 meters /minute.
Learn more about speed from here
brainly.com/question/13263542
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B. Universal Gravitational Law
<span>❅☃ Lever
A winding mountain road is a example of a lever.</span>
Hello, for this use the second law of Newton:
F = ma
We have the data:
F = ?
m = 30 kg
a = 2 m/s^2
Replacing:
F = 30 kg * 2 m/s^2
F = 60 N
Result:
The force is of 60 Newtons.
