THE MASS OF A PERSON IN KG IF THE WORK DONE IN CARRYING IN BOX OF MASS 20KG THROUGH A VERTICAL HEIGHT OF 10,9800J is (g =9.8ms2)
Answer (1)
21st May, 2020
Hello!!!
Hope you are doing great!!!
As per the problem given,the data is as follows:
Given Workdone= 9800 Joules
Height = 10m
let,mass of person = M
Given mass of box = 20 kg
W=(m+M)gh
9800 = (20+M)*9.8*10
9800 = 98*(20+M)
100 = 20+M
M=100-20
M=80kg
Mass of the person = 80kg
Hope it helps!!!!!
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