A person is sitting at the very back of a canoe of length L, when the front just bumps into the dock. show answer No Attempt 50%
1 answer:
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Vector 1 has components
and vector 2 has
Add these vectors to get the resultant, which has components
The magnitude of the resultant is
with direction such that
or about 50º N of E.
Answer:
<em>A) 7.37 x 10^-4 N</em>
<em>B) The resultant force will be towards the -x axis</em>
Explanation:
The three masses have mass = 3500 kg
For the force of attraction between the mass at the origin and the mass -100 cm away:
distance r = 100 cm = 1 m
gravitational constant G= 6.67×10^−11 N⋅m^2/kg^2
Gravitational force of attraction =
where G is the gravitational constant
m is the mass of each of the masses
r is the distance apart = 1 m
substituting, we have
=
= 8.17 x 10^-4 N
For the force of attraction between the mass at the origin and the mass 320 cm away
distance r = 320 cm = 3.2 m
=
substituting, we have
=
= 7.98 x 10^-5 N
Resultant force = (8.17 x 10^-4 N) - (7.98 x 10^-5 N) = <em>7.37 x 10^-4 N</em>
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<em>B) The resultant force will be towards the -x axis</em>