12. + -11 points KatzPSEf1 13.P.053.MI. My Notes + Ask Your Teacher Two children (m =...
Two children (m = 33.0 kg each) stand opposite each other on the edge of a merry-go-round. The merry-go-round, which has a mass of 1.78 ✕ 102 kg and a radius of 1.4 m, is spinning at a constant rate of 0.42 rev/s. Treat the two children and the merry-go-round as a system. (a) Calculate the angular momentum of the system, treating each child as a particle. (Give the magnitude.) (b) Calculate the total kinetic energy of the system. (c)...
Two children (m = 31.0 kg each) stand opposite each other on the edge of a merry-go-round. The merry-go-round, which has a mass of 1.78 ✕ 102 kg and a radius of 1.2 m, is spinning at a constant rate of 0.48 rev/s. Treat the two children and the merry-go-round as a system. (a) Calculate the angular momentum of the system, treating each child as a particle. (Give the magnitude.) (b) Calculate the total kinetic energy of the system. (c)...
Two children (m = 26.0 kg each) stand opposite each other on the edge of a merry-go-round. The merry-go-round, which has a mass of 1.66 ✕ 102 kg and a radius of 1.4 m, is spinning at a constant rate of 0.44 rev/s. Treat the two children and the merry-go-round as a system. (a) Calculate the angular momentum of the system, treating each child as a particle. (Give the magnitude.) kg · m2/s (b) Calculate the total kinetic energy of...
1. (-/1 Points) DETAILS KATZPSEF1 28.P.053.MI. MY NOTES ASK YOUR TEACHER PR A 60.0-W lightbulb is connected to a 220.0-V source. (a) What is the current through the bulb? (b) What is the internal resistance of the bulb? Need Help? Read it Master It Submit Answer 2. (-/1 Points] DETAILS KATZPSEF1 28.P.063. MY NOTES ASK YOUR TEACHER PR The USB charger for a smartphone delivers 520.0 mA of current at 5.10 V while charging the phone. What is the power...
help
which has a mass of 1.70 x 102 kg and a radius of 1.2 m, is spinning at a constant ra 2 rev/s. Treat the two children and the as a system, (a) Calculate the angular momentum of the system, treating each child as a particle. (Give the magnitude.) 42560 kg m2/s ) Calculate the total kinetic energy of the system 427 86 (e) Both children walk half the distance toward the center of the merry-go-round. Calculate the final...
1. Two childre, each with a mass of 22.1 kg are standing on the edge of a merry go round that is spinning with an angular veloctiy of 2.1 rad/s. The merry go round has a mass of 115 kg and a radius of 1.45m. a. The children can be treated as particles and the merry go round can be treated like a spinning disk. Treating them this way, what is the total moment of inertia of thr children and...
Three children are riding on the edge of a merry-go-round that is 102 kg, has a 1.60 m radius, and is spinning at 15.3 rpm. The children have masses of 19.9, 28.5, and 38.8 kg. If the child who has a mass of 28.5 kg moves to the center of the merry-go-round, what is the new angular velocity in rpm? rpm Additional Materials Reading Submit Answer Practice Another Version + -/1 points OSColPhys2016 10.5.P.041. My Notes Ask Your Teacher (a)...
6. (25 points) The following question examines the motion of two children on a merry-go- round. You may treat the children as point particles with mass m and the merry-go-round as a disk with mass M and radius R. The moment of inertia of a disk is Idisk MR2 0wn o r Ve n e r (a) Calculate the total energy of the system if the two children are at the edge of the merry- go-round and the merry-go-round is...
4. Two children, A and B, each having a mass of 30 kg sit at the edge of the merry-go-round nwhich is rotating at 2 rads Excluding the children, the merry-go-round has a mass of 180 kg and a radius of gyration ofk,-06 m 0.75 m 0.75 m 2 rad/s Use 4 significant figures Be carefiul with units and signs. a. Initial total angular momentum pts. b. If child A jumps off hoeizoetally in the-a directice with a speed of...
Three children are riding on the edge of a merry-go-round that is 102 kg, has a 1.60 m radius, and is spinning at 21.3 rpm. The children have masses of 19.9, 29.0, and 38.8 kg. If the child who has a mass of 29.0 kg moves to the center of the merry-go-round, what is the new angular velocity in rpm? 30.27 x rpm Additional Materials Reading 2. -/1 points OSColPhys2016 10.4.P.024. My Notes Ask Your Teacher Calculate the rotational kinetic...