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garik1379 [7]
3 years ago
13

Using the formula for velocity shown below, what is the average velocity of a bicyclist who biked 20 miles north of where he beg

an for a duration of 4 hours?
Chemistry
1 answer:
Marat540 [252]3 years ago
3 0

8.1km/hr due North

Explanation:

Given parameters:

Displacement = 20 miles North

Time = 4hours

Unknown;

Velocity = ?

Solution:

Velocity is the speed in a particular direction. It is simply displacement divided by time. A change in position with time.

                Velocity = \frac{displacement}{time}

The unit is usually expressed in km/hr or m/s

We need to convert the given displacement to that in km:

              1 mile = 1.609km

             20miles = 1.609 x 20,   32.18km

Velocity  =   \frac{32.18}{4} = 8.1km/hr due North

Learn more:

Velocity brainly.com/question/10962624

#learnwithBrainly

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