momentum of a body is given by p = 4t²+2t+1. find the doeve acting on the body at time = 3 sec.
Answers
Answered by
0
Answer:
12345678901243567990
Answered by
2
Explanation:
F
x
=
dt
dP
x
=4t⟹F
x
=4(2)=8
F
y
=
dt
dP
y
=3t⟹F
y
=3(2)=6
F=
F
x
2
+F
y
2
=
8
2
+6
2
=
64+36
=
100
=10
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