The coordinates of a moving particle at any time t are given by x = αt 3 and y = βt 3 . The speed of the particle at time t is given by:
A
B
3t 2 
C
t 2 
D
Text Solution
Verified by ExpertsThe correct answer is:
B
x = αt 3 , y = βt 3
V x = 
= 3αt 2
V y = 
= 3βt 2
Resultant velocity
V = 
= 
= 3t 2 
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