Can you please do 1, 2, 7 and 8. THANK YOU 2.1UG = 0J-1) At the point labeled "O" in the figure, which of the following energy terms arenonzero? Select all that apply.A) UGB) UsC) K-D) these are all zero2) At the point labeled “I" in the figure, which of the following energy terms arenonzero? Select all that apply.A) UGB) UsC) KTD) these are all zero 7) Given the chosen coordinate system, calculate the height of the pendulum bobat point "0." Assume all five digits in the experimentally determined speed aresignificant.A) 5.3450 6 cmB) 5.350 51 cmC) 5.605 36 cmD) 5.61108 cmE) 5.920 31 cm8) This calculation represents an idealization - that there is no friction. As we sawin the data analysis, friction did exist in this experiment although its affect on theresult of this previous calculation would have been negligible and the specificanalysis approximately negated it anyway. Even so, given that friction really didremove some energy from the system before the first pass through the photogate,which of the following is true about the real height ho?A) There would need to have been more gravitational potential energy in the system at point "0" thanthis calculation assumes there was, since the work done by nonconservative forces reduces the amountof energy in the system. Therefore, since g and m do not change, ho would need to be greater thancalculated in order to account for both the energy that remains in the system as observed at point "1"and the energy that's wasted as nonconservative work from point "0" to point "1."B) The height calculated is larger than would have been true because friction takes energy out of thesystem and since m and g are fixed, the only thing that can be different is h. H has to go down to makeup for the work done by friction.

Given: A simple pendulum To find: 1) At point 0, which energy term is nonzero. 2) At point 1, which…

2 UG=0J- A) UG B) Us C) KT D) these are all zero 1 1) At the point labeled "0" in the figure, which of the following energy terms are nonzero? Select all that apply. A) UG B) Us C) KT 0 2) At the point labeled "I" in the figure, which of the following energy terms are nonzero? Select all that apply.

2 UG=0J- A) UG B) Us C) KT D) these are all zero 1 1) At the point labeled "0" in the figure, which of the following energy terms are nonzero? Select all that apply. A) UG B) Us C) KT 0 2) At the point labeled "I" in the figure, which of the following energy terms are nonzero? Select all that apply.