Sawaal
1
Q:

Cold air is ______.

A) lighter than warm air hence cold air settles down B) heavier than warm air hence cold air rises up
C) lighter than warm air hence cold air rises up   D) heavier than warm air hence cold air settles down  

Answer:   D) heavier than warm air hence cold air settles down  



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Subject: Physics
Exam Prep: Bank Exams
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An object, starting from rest, moves with constant acceleration of 4 m/s2. After 8 s, its speed is

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A body is initially moving with a velocity of 10 m/s. It undergoes an acceleration of 2 m/s2 for 5 seconds. Find the displacement (in m) of this body in these 5 seconds.

 

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Answer & Explanation Answer: D)  75

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