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Physics
Physics
Problem
The momenta of a body in two perpendicular directions at any time
t
t
t
are given by
P
x
=
2
t
2
+
6
P_x = 2t^2 + 6
P
x
=
2
t
2
+
6
and
P
y
=
3
t
2
2
+
3
P_y = \frac{3t^2}{2} + 3
P
y
=
2
3
t
2
+
3
. The force acting on the body at
t
=
2
s
t = 2\,\text{s}
t
=
2
s
is 1) 5 units 2) 2 units 3) 10 units 4) 15 units 1) 5 units 2) 2 units 3) 10 units 4) 15 units
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