Your initial speed is 12 m/s and your final speed is 13 m/s. If this change of speed took place over a distance of 156 m how lon
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Answer:
(a). The rotational inertia is
(b). The magnitude of the magnetic torque is
Explanation:
Given that,
Mass of neutron
Density of neutron
(a). We need to calculate the rotational inertia
Using formula of rotational inertia for sphere
...(I)
We know that,
Put the value of volume
Put the value of R in equation (I)
Put the value into the formula
The rotational inertia is .
(b). We need to calculate the magnitude of the magnetic torque
Using formula of torque
Put the value into the formula
The magnitude of the magnetic torque is
Hence, (a). The rotational inertia is
(b). The magnitude of the magnetic torque is
Work is considered as the Force performed on a body to move it a certain distance, that is
W = Fd
Here
W = Work
F = Force
d = Distance
In this case we have the values of work and distance, therefore clearing for the Force we would have to
Replacing,
Therefore the force that Marissa must exert on the windows shade is 0.4N