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Simba
Questions and answers by visitors named
Simba
Questions (3)
A 10kg mass is supported by two strings of length 5 m and 7 m attached to two points in the ceiling 10 m apart. Find the tension
7 answers
7,310 views
the side of an equilateral triangle decreases at a rate of 3cm/s. at what rate is the area decreasing when the area is 150cm
2 answers
591 views
AB ∥ DC, DE ⊥ AB , AD = BC, m∠ADC = 134° AD = 40, DC = 32, ABCD is a trapezoid. Find: Area of ABCD
3 answers
1,007 views
Answers (4)
it should be 36 people in the survey not 63. I believe there was a typing error on this question.
Ignore 1/4 spectators, question is asking for remaining spectators. Remaining spectators = Women (W) + children (C) > Women = 2/5 of remaining spectators > Children = 1 - (2/5) = 3/5 > 2/5 ------------>132 3/5 ------------>C > Cross multiply: 2/5 x C = 3/5
1) B 2) B 3)B 4)C 5)C 6)C 7)A 8)A I just took this quiz and got 100% on it! :)
To find Tangential spped , first you do ... mvr=1/2MR^2w and you're solving for w so basically w=(2mvr)/MR^2 where m= to the mass of the disk(2.10) r= radius of disk(102) M=mass of person(40) R=radius of the person(1.00) v=tangential speed(2.60)
