SELECT * FROM question_mgmt as q WHERE id=4113 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=8 AND subId=16 AND chapterId=187 and ex_no='5' AND status=1 ORDER BY CAST(question_no AS UNSIGNED) CBSE Free NCERT Solution of 9th science Motion a racing car has a uniform acceleration of 4 m s 2

Question:

A racing car has a uniform acceleration of 4 m s-2. What distance will it cover in 10 s after start?

Answer:

Initial velocity of the racing car, u = 0

Acceleration, a = 4 m/s2

Time taken, t = 10 s

Distance, s = ?

According to the  equation of motion:

where s is the distance covered by the racing car,

Hence, the distance covered by the racing car after 10 s from start is 200 m.


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