Answer:
C. The author wants to give a historical background of the Hong Kong protests.
Explanation:
In the excerpt, the author gives a rundown of the origin of the Hong Kong protests which started when Hong Kong was still a British colony from 1841 to 1941 and right down to 1997 when China took over control of the country.
During these times, the citizens of Hong Kong continued to protest about a bill which they believed would not allow them to have fair trials. This rundown provides a historical background of the Hong Kong protests.
i say B) She will find the white rabbit and easliy follow its direction home
Answer:
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Explanation:
The expression of the weight of the bar is given by,
W=mg
Here, g is the acceleration due to gravity
Substitute all the values
W=(18kg)(9.81m/s2)=176.58N
The expression of the angle θ
by using free body diagram is given by,
tanθ=ACBO+OC
Substitute all the values
tanθ=(1.3m)(1.2m)+(0.75m)θ=tan−1(1.31.95)θ=33.69∘
Take moment about point O and obtain the value of tension T.
∑MO=0Tsinθ×AC+W×(AO2cosθ1)−Tcosθ×CO=0
Substitute all the values
Tsin(33.69∘)×(0.75m)+(176.58N)×(1.5m2cos60∘)−Tcos(33.69∘)×(1.3m)=0T×0.416m+66.22N⋅m−T×1.081m=0−T×0.665m+66.22N⋅m=0T=−66.22N⋅m−0.665mT=99.58N
Answer:
D is the correct anwser!!
