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2. Motion
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Q3 of 24 Page 31

What is the average speed of a Cheetah that sprints 100m in 4sec.? What if it sprints 50m in 2sec?

Given, distance = 100m and time = 4sec.


Using formula,




If distance = 50m and time = 2 sec, then



= 25 m/s


So speed remains same for both the cases.


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1

As shown in figure 23, a point traverses the curved path. Draw the displacement vector from given points A to B

2

“She moves at a constant speed in a constant direction.”. Rephrase the same sentence in fewer words using concepts related to motion.

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Correct your friend who says, “The car rounded the curve at a constant velocity of 70 km/h”.

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Questions · 24
2. Motion
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