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Exam (elaborations)
Exam (elaborations) object is said to have non-uniform motion if it tr
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---8July 20242023/2024A+
- Speed of a body is defined as the distance travelled by the body in unit time. The SI unit of speed is 
metre/second (m/s). 
Distance travelled Speed 
Time taken 
 If ‘s’ is the distance travelled by a body in time ‘t’, then its speed ‘v’ is given as 
s 
v 
t 
 Speed of a body is a scalar quantity. It can be zero or positive but can never be negative. 
 If a body covers equal distances in equal time intervals, howsoever small the intervals may be, then it 
is said to hav...
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