Mike has a plaster replica of the Eiffel Tower in his room. The volume of the plaster in the replica is 0.25 m3. He wishes to make a bigger replica using a scale factor of 5. What is the volume of plaster that he needs for the new replica? 6.25 m3 31.25 m3 1.25 m3 0.05 m3

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.)