The potential energy of a particle of mass 5 kg moving in the xy plane is given as U = – 7x + 24 y Joules, x and y in meters. Initially at t = 0 the particle is at the origin (0, 0) moving with a velocity of v = 6 [2.4 
+ 0.7 
] m/s, then -
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
(a, b, c)
= 7 
– 24 
= 
– 
v (t = 4) = 20 
– 15 
by using equation of motion
⊥ 
not always as 
is constant
However initially 
. 
= 0.
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