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question parts. The number of s remaining for each question part only changes if

ID: 2032007 • Letter: Q

Question

question parts. The number of s remaining for each question part only changes if you submit or change the answer Assignment Scoring ote: For 1a and 1d, you only get 0.25 points and one submission. For 1c and 1f, you onhy et 0 5 points and two submissions. For 9b and 9d, you only get 0.5 points and two ubmissions. For 10c, you only get 0.25 point and one submission. Your last submission is used for your score CJ10 6.P002 GO You are moving into an apartment and take the elevator to the dth floor Suppose your weight is 678 N and that of your belongings is 876 N. (a) Determine the work done by the elevator in ifting you and your belongings up to the 6th floor (15.2 m) at a constant velocity Work (b) How much work does the elevator do on you alone (without belongings) on the downward trip, which is also made at a constant velocity? Work Select... GO Tutorial Additional Materials 4 points CJ10 6 P006

Explanation / Answer

Given,

w = 678 N ; W = 876 N

a)Fnet = w + W

Fnet = 678 + 876 = 1554 N

W = Fnet x d = 1554 x 15.2 = 23620.8 J

Hence, W = 23620.8 J = 2.36 x 10^4 J

b)For you alone

Fnet = w = 678 N

Wa = - 678 x 15.2 = -10305.6 J

Hence, Wa = 10305.6 J = - 1.03 x 10^4 N