4095km
Explanation:
Given parameters:
Starting time = 7 o'clock
Stopping time = 11hrs 30min
Speed = 910km/hr
Unknown:
Distance covered = ?
Solution:
Speed is the rate of change of distance with time.
It is a scalar quantity that is with respect with magnitude but no direction.
Speed =
Distance = Speed x time
Time taken = time between 11hrs 30min and 7 o'clock = 4.5hrs
Input the parameters:
Distance = 910km/hr x 4.5hrs = 4095km
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Answer:
Magnetic dipole moment is 0.0683 J/T.
Explanation:
It is given that,
Length of the rod, l = 7.3 cm = 0.073 m
Diameter of the cylinder, d = 1.5 cm = 0.015 m
Magnetization,
The dipole moment per unit volume is called the magnetization of a magnet. Mathematically, it is given by :
Where
r is the radius of rod, r = 0.0075 m
So, its magnetic dipole moment is 0.0683 J/T. Hence, this is the required solution.