Physics, 23.01.2020 19:31 xgibson123
Acarnival merry-go-round has a large disk-shaped platform of mass 120 kg that can rotate about a center axle. a 60-kg student stands at rest at the edge of the platform 4.0 m from its center. the platform is also at rest. the student starts running clockwise around the edge of the platform and attains a speed of 2.0 m/s relative to the ground.
(a) determine the rotational velocity of the platform.
(b) determine the change of kinetic enrgy of the system consisting of the platform and the student.
(c) draw bar charts for these.
Answers: 1
Another question on Physics
Physics, 22.06.2019 09:00
When a bicycle coasts uphill, it moves slower and slower as it climbs. why? a. its kinetic energy is transforming into heat energy. b. its potential energy is transforming into kinetic energy. c. its kinetic energy is transforming into potential energy and heat energy. d. its potential energy is transforming into kinetic energy and heat energy.
Answers: 1
Physics, 22.06.2019 11:30
Acaterpillar tries to climb straight up a wall a meter high, but for every 2 cm up it climbs, it slides down 1 cm. eventually, it reaches the top. when it reaches the top, it does not pull itself over so it will slide down 1 cm. what is the total displacement traveled?
Answers: 3
Physics, 22.06.2019 11:30
If we relied solely on the nonrenewable resources found in the u.s., which one would we run out of first at current usage levels? a. natural gas b. oil c. uranium d. coal
Answers: 1
Physics, 22.06.2019 16:00
Apersons beliefs and general outlook, which act like filters on the information they receive are called ?
Answers: 1
You know the right answer?
Acarnival merry-go-round has a large disk-shaped platform of mass 120 kg that can rotate about a cen...
Questions
Mathematics, 05.05.2020 11:55
Geography, 05.05.2020 11:55
Mathematics, 05.05.2020 11:55
Physics, 05.05.2020 11:55
Mathematics, 05.05.2020 11:55
Biology, 05.05.2020 11:55
Mathematics, 05.05.2020 11:55
