Answer each of the following by choosing ONE of the four responses. #1.) A 2.00k
ID: 1298294 • Letter: A
Question
Answer each of the following by choosing ONE of the four responses. #1.) A 2.00kg mass is swung on the end of a rope of 1.20m radius at a rate of 3 rev/sec. What is the centripetal force on the mass? a.) 37.7N b.) 851 N c.) 15.0 N d.) 1075N #2. A child stands on the outer edge of a playground merry-go-round that is initially rotating at 2rad/sec. If the child walks toward the center of the merry-go-round, which of the following statements is TRUE a) The child's rotational a increases as she gets closer to the center. b.) angular of the merry-go-round decreases a she moves tow the center. c.) The total angular momentum of the system o-round and chil remains constant as the child walks toward the center. d.) The rotational inertia of the merry-go-round increases. Imagine you were to roll a die 4 times in a row and recorded the numr showing after each roll of the die. Which would you estimate would b most likely sequence of outcomes from 4 rolls 3,5,2,6 2,2,4,4 5,5,5,5 All outcomes are equally likelyExplanation / Answer
1 b
2 c
3 d
4 b
5 c
6 c
7 a
8 d