What is the answer and work to problem 10? 2 skaters, 1 with mass 6.5 kg and the
ID: 1744003 • Letter: W
Question
What is the answer and work to problem 10? 2 skaters, 1 with mass 6.5 kg and the other with mass 40 kg,stand on an ice rink holding a pole of length 10 m and negligiblemass. Starting from the ends of the pull the skaters pullthemselves along the pole until they meet. How far does the40 kg skater move? What is the answer and work to problem 10? 2 skaters, 1 with mass 6.5 kg and the other with mass 40 kg,stand on an ice rink holding a pole of length 10 m and negligiblemass. Starting from the ends of the pull the skaters pullthemselves along the pole until they meet. How far does the40 kg skater move?Explanation / Answer
Given thatthe mass of the each skater is m1 = 6.5 kg and m2 = 40 kg Thelength of the pole is L = 10 m ------------------------------------------------------------ consider the two skaters and the rod as asystem then there is no external force on the system thencenter of does not change its state,that is state of rest. So the twoskaters reach the center of mass of the system Then center of system from the mass m2 is X = ( m1*x1 + m2*x2 ) / (m1+m2) where x1 is the distance between mass m1 and m2 , x2 isdistance between the m2 and m2 X =( m1*L + m2*0 ) / (m1+m2) = m1*L/ (m1+m2) =---------- m This is the distance moved by the 40 kg skater .Related Questions
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