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A dad pushes tangentially on a small hand-driven merry-go-round and is able to accelerate it from...
A dad pushes tangentially on a small hand-driven merry-go-round and is able to accelerate it from rest to a frequency of 18 rpm, in 13.0 s. Assume the merry-go-round is a uniform disk of radius 2.7 m; and has a mass of 800 kg, and two children (each with a mass of 25 kg) sit opposite each other on the edge. Calculate the torque required to produce the acceleration, neglecting frictional torque. What force is required at the edge?
A teenager pushes tangentially on a small hand-driven merry-go-round and is able to accelerate it from rest to a frequency of 14 rpm in 10.9 s . Assume the merry-go-round is a uniform disk of radius 2.0 m and has a mass of 670 kg , and two children (each with a mass of 30 kg ) sit opposite each other on the edge. a.) Calculate the torque required to produce the acceleration, neglecting frictional torque. b.) What force is...
A teenager pushes tangentially on a small hand-driven merry-go-round and is able to accelerate it from rest to a frequency of 14 rpm in 10.9 s . Assume the merry-go-round is a uniform disk of radius 2.0 m and has a mass of 670 kg , and two children (each with a mass of 30 kg ) sit opposite each other on the edge. a.) Calculate the torque required to produce the acceleration, neglecting frictional torque. b.) What force is...
3. A dad pushes tangentially on a small hand-driven merry-go-round and accelerates it from rest to a frequency of 15 rpm in 10.0 s. Assume the merry-go-round is a uniform disk of radius 2.5 m and has a mass of 560 kg, and two children (each with a mass of 25 kg) sit opposite each other on the edge. Calculate the torque required to produce the acceleration, neglecting frictional torque. What force is required at the edge
Calculate the net torque needed to accelerate this merry go
round
A merry-go-round accelerates from rest to 0.78rad/s in 32 s. Assuming the merry-go-round is a uniform disk of radius 8.0m and mass 3.20 Times 104kg , calculate the net torque required to accelerate it. Express your answer to two significant figures and include the appropriate units.
A merry-go-round accelerates from rest to 0.74 rad/s in 33 s. Part A Assuming the merry-go-round is a uniform disk of radius 6.0 m and mass 3.20×104 kg , calculate the net torque required to accelerate it. Express your answer to two significant figures and include the appropriate units.
A 3.1-m-diameter merry-go-round with rotational inertia 110 kg · mº is spinning freely at 0.60 rev/s . Four 25-kg children sit suddenly on the edge of the merry-go-round. Find the new angular speed. Express your answer using two significant figures. IVO AQ R O 2 ? 1 rev/s Submit Request Answer Part B Determine the total energy lost to friction between the children and the merry-go-round. Express your answer using two significant figures. IVO AQ R O 2 ? AK...
A 2.4-m-diameter merry-go-round with a mass of 210 kg is spinning at 20 rpm. John runs around the merry-go-round at 5.0 m/s, in the same direction that it is turning, and jumps onto the outer edge. John's mass is 35 kg. Part A What is the merry-go-round's angular speed, in rpm, after John jumps on? Express your answer in revolutions per minute. O AC O ? W = | rpm rpm Submit Request Answer
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...
A person of mass 73 kg stands at the center of a rotating merry-go-round platform of radius 2.6 m and moment of inertia 810 kg⋅m2 . The platform rotates without friction with angular velocity 0.95 rad/s . The person walks radially to the edge of the platform. Part A Calculate the angular velocity when the person reaches the edge. Express your answer using three significant figures and include the appropriate units. For Part A, I got 0.590 rad/s. Which was...