From the calculations, the angular momentum is 10 Kg m^2/s while the new force is 50N.
What is the angular velocity?
The angular velocity is defined as the product of the mass, velocity and the radius of the material.
Thus;
L = mvr = 2 Kg * 1m * 5 m/s = 10 Kg m^2/s
b) Given that;
F= Gm^2/r^2
If the distance is halved then the force is reduced by 1/4 thus the new force is 50N.
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