3.
As shown in the diagram, two massless wires connect a rotating pole to a sphere. The sphere has mass 7.2 kg and it revolves in a horizontal circle at constant speed. At this particular speed the tension is the same in both wires. What is the speed of the ball?
5.7 m/s
2.9 m/s
4.6 m/s
4.0 m/s
Answers: 1
Other questions on the subject: Physics
Physics, 22.06.2019 02:50, adrian08022
Ammonia enters the expansion valve of a refrigeration system at a pressure of 10 bar and a temperature of 18oc and exits at 6.0 bar. the refrigerant undergoes a throttling process. determine the temperature, in oc, and the quality of the refrigerant at the exit of the expansion valve.
Answers: 3
Physics, 22.06.2019 08:30, lovebunfan
What is the primary force that suspension bridges use cables to hold their spans up? a. tension force b. resistance force c. normal force d. elastic force e. applied force
Answers: 3
Physics, 22.06.2019 11:10, axxpjr12
Consider an insulating crystal, made up of layers of atoms. what form would you expect the temperature dependence of the phonon heat capacity to approach at extremely low temperatures if the interlayer coupling is i)very strong (rigid coupling), and ii) very weak. explain.
Answers: 3
You know the right answer?
3.
As shown in the diagram, two massless wires connect a rotating pole to a sphere. The sphere has...
Questions in other subjects:
Computers and Technology, 08.12.2021 23:20
Social Studies, 08.12.2021 23:20
Chemistry, 08.12.2021 23:20
Mathematics, 08.12.2021 23:20
