Physics, 04.08.2019 02:00 Nextlevel3
Atuning fork vibrating at a frequency of 512hz is held over the top of the jar filled with water and filled with a tap at the bottom. if the jar is 60cm tall and the speed of sound is 350ms-1, determine 1st and 2nd resonance.
Answers: 1
Physics, 22.06.2019 14:30
When the displacement of a mass on a spring is 12a the half of the amplitude, what fraction of the mechanical energy is kinetic energy? at what displacement, as a fraction of a, is the mechanical energy half kinetic and half potential?
Answers: 3
Physics, 22.06.2019 18:30
Anonzero net force acts on a particle and does work. which one of the following statements is true? the kinetic energy of the particle changes, but the speed of the particle does not change. the kinetic energy of the particle does not change, but the speed of the particle does change. the kinetic energy of the particle changes, but the velocity of the particle does not change. the kinetic energy and the speed of the particle change, but the velocity of the particle does not change. the kinetic energy, speed, and velocity of the particle change.
Answers: 1
Physics, 23.06.2019 08:00
Diego is trying to lift a piano to the second floor of his house. diego uses a pulley system and gives a big lift to the piano. the piano moves upward, then stops, and then it starts to fall to the ground. which list best describes the forces on the piano in the proper order? a.positive force, balanced force, negative force b.negative force, balanced force, positive force c.positive force, unbalanced force, negative force d. negative force, unbalanced force, positive force
Answers: 1
Physics, 23.06.2019 09:00
Give an example of a collision in real life. use the law of conservation of energy to describe the transfer of momentum. be sure and discuss the momentum before and after the collision occurs. you will need at least 3 sentences to thoroughly answer this question.
Answers: 3
Atuning fork vibrating at a frequency of 512hz is held over the top of the jar filled with water and...
History, 17.12.2019 01:31
History, 17.12.2019 01:31
Social Studies, 17.12.2019 01:31
Mathematics, 17.12.2019 01:31
Social Studies, 17.12.2019 01:31
Mathematics, 17.12.2019 01:31
Mathematics, 17.12.2019 01:31