An athlete runs around a track that is 100mts long for 3 times and then stops. What is the distance and displacement covered by the athlete? Pls tell me fast with explanation.
Answers
Answer:
distance-300. Mts.
displacement-0
Explanation:
distance= total covered path
so when the athlete run around a track 3 times then it means that total distance will be 3*distance in one round
=3*100
=300 mts.
Now, displacement is the shortest path
We know that when a body starts from a point which is its initial point and then returns back to it i.e. to its final point then it's displacement is said to be 0
therefore, displacement done is this case is also 0 as the athlete comes back to his initial position after 3 rounds..
Answer:
distance covered=300m
displacement=diameter of track
Explanation:
distance covered in 1 round=100m
distance covered in 3 rounds=100×3=300
displacement= diameter=2×radius
2πr=100
2×22/7×R=100
r=100×7/22×1/2
r=15.09
diameter=2×15.09
=30.18m
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