An object of mass 30kg is in free fall in a vacuum where there is no air resistance. Determine the acceleration of the object. a. Determine the net force acting on the object and
b. calculate the acceleration of the object.

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Acube has a volume of 2011 cubic inches. what is the angle measure between a side of a cube and its interior diagonal?

Suppose you have three polarizing filters, with the second at an angle of 42∘ to the first and the third at an angle of 90∘ to the first. by what perfect will the original intensity of unpolarized light be reduced to after passing through all three filters?

Asmall object with mass 0.200 kg swings back and forth on the lower end of a light rope that is 3.00 m long. the upper end of the rope is attached to the ceiling. as the object swings through its lowest position, where the rope is vertical, the speed of the object is 5.80 m/s. at this point in the motion, what is the tension in the rope? (use g = 9.80 m/s2.)