The motion of a body in x-y plane is represented by x = 4 – 9t and y = t2 where x, y are in metre. Find the magnitude of its absolute velocity at t = 6 sec.

The motion of a body in x-y plane is represented by x = 4 – 9t and y

1.	The motion of a body in x-y plane is represented by x = 4 – 9t and y = t2 where x, y are in metre. Find the magnitude of its absolute velocity at t = 6 sec.
A.	2.68 m/s
B.	5.4 km/hr
C.	10.77 m/s
D.	15.0 m/s
Answer» E.