SELECT * FROM question_mgmt as q WHERE id=4118 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='6' AND status=1 ORDER BY CAST(question_no AS UNSIGNED) CBSE Free NCERT Solution of 9th science Motion a motorboat starting from rest on a lake accelerat

Question:

A motorboat starting from rest on a lake accelerates in a straight line at a constant rate of 3.0 m s-2 for 8.0 s. How far does the boat travel during this time?

Answer:

Initial velocity, u = 0

Acceleration of the motorboat, a = 3 m/s2

Time taken, t = 8 s

According to equation of motion:

Distance covered by the motorboat, s

Hence, the boat travels a distance of 96 m.


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