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1
Q:

The relative density of a substance is the ____.

 

A) ratio of its density to the density of water B) ratio of the density of water to its density
C) product of the density of water to its density D) ratio of the volume of water to its volume

Answer:   A) ratio of its density to the density of water



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Subject: Physics
Exam Prep: Bank Exams
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Answer & Explanation Answer: B) 37.5

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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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1 watt is equal to 1 ____________

 

A) J s-1   B) J s
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Answer & Explanation Answer: A) J s-1  

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Q:

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.

 

A)  25 B)  37.5
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Answer & Explanation Answer: D)  75

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