A particle has an initial velocity of 
and an acceleration of 
. Its speed after 10 s is :
A
7 
units
units
B
7 units
C
8.5 units
D
10 units
Text Solution
Verified by ExpertsThe correct answer is:
A
t
= 
+ 
× 10 = 7 i + 7 j | 
| = 7 
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