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23 Nov 2019
A 36 kg child runs with a speed of 2.2 m/s tangential to a 175 kgdisk-shaped merry-go-round of radius 2.4 meters. If theMerry-go-round is spinning at 0.2 revolutions per second before thechild jumps onto its rim, what is the final angular speed of themerry-go-round and child?
A. 1.2 Hz
B. 1.4 Hz
C. 2.1 Hz
D. 0.8 Hz
A 36 kg child runs with a speed of 2.2 m/s tangential to a 175 kgdisk-shaped merry-go-round of radius 2.4 meters. If theMerry-go-round is spinning at 0.2 revolutions per second before thechild jumps onto its rim, what is the final angular speed of themerry-go-round and child?
A. 1.2 Hz
B. 1.4 Hz
C. 2.1 Hz
D. 0.8 Hz
Irving HeathcoteLv2
22 Feb 2019
