The second one is incorrect 7/17/2017 10:00 PM 60.7/100 -Print Calculator be Per

Question

The second one is incorrect 7/17/2017 10:00 PM 60.7/100 -Print Calculator be Periodic Table uestion 11 of 14 Sapling Learning A box is raised at constant speed by a man pulling up on a rope. During the ascent, which of the follo are true (select more than one if applicable). Assume that air resistance on the box is negligibie The work performed by all conservative forces on the box is The work performed by all non-conservative forces on the box is The network performed on the box is 0. The work performed by all conservative forces on the box is positive. The work performed by all non-conservative forces on the box is positive As a result of your answer to the previous question, use the work-energy theorem to determine which of the following is true. question, use the work-energy theorem to The change in the total energy of the box is 0. The change in the total energy of the box The change in the total energy of the box is negative O posove. O (Scroll down for 2 more questions ) are true (salect more The rope breaks and the box falls to the ground. During this time, which of the an one if applicable) Assume that air resstance on the box is negigible.

Explanation / Answer

option (1 ) correct

the change in the total energy of box is 0 (zero )

from work energy theorm

w = K. E = 1/2 m v ^2

at constant speed so w = zero

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