We have that the density of the fluid is

From the question we are told that
object of volume 0.0004m^3
density 6000kg/m^3
fluid of density 5000kg/m^3.
Force F=0.7N
Generally the equation for the Force is mathematically given as

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Answer:
I think the answer is a no. I guess
Explanation:
don't mind if it is write or wrong
Answer:
0.00956770833 T
Explanation:
q = Charge of electron = 
m = Mass of proton = 
a = Acceleration = 
v = Velocity = 
Magnetic field is given by

The magnetic field is 0.00956770833 T
Comets.
Small fragments of meteors, formed by ice and rock mixed consitute the comets.