subject
Physics, 20.11.2019 22:31 emilyphillips1681

If a machine is doing 500 j of work with 75 watts of power, how long did it take to complete its task?

ansver
Answers: 1

Another question on Physics

question
Physics, 22.06.2019 16:50
Which best describes the first law of thermodynamics as compared to the second law of thermodynamics? a. the first law describes how thermal energy is conserved but not the direction it moves. b. the first law describes the direction thermal energy moves but not how it is conserved. c. the first law describes how thermal energy can be created but not how it can be destroyed. d. the first law describes how thermal energy can be destroyed but not how it can be created.
Answers: 1
question
Physics, 22.06.2019 17:30
Alarge cruise ship of mass 7.00 ✕ 107 kg has a speed of 11.6 m/s at some instant. (a) what is the ship's kinetic energy at this time? (b) how much work is required to stop it? (give the work done on the ship. include the sign of the value in your answer.) (c) what is the magnitude of the constant force required to stop it as it undergoes a displacement of 3.00 km?
Answers: 2
question
Physics, 22.06.2019 20:20
An electron is trapped at a defect in a crystal. the defect may be modeled as a one-dimensional, rigid-walled box of width 1.00 nm. (a) sketch the wavefunctions and probability densities for the n 1 and n 2 states. (b) for the n 1 state, nd the probability of nding the electron between x1 0.15 nm and x2 0.35 nm, where x 0 is the left side of the box. (c) repeat (b) for the n 2 state. (d) calculate the energies in electron volts of the n 1 and n 2 states
Answers: 1
question
Physics, 22.06.2019 23:00
Which scientist was the first to propose the heliocentric model of the universe? a. aristotle b. isaac newton c. galileo galilei d. nicolaus copernicus
Answers: 1
You know the right answer?
If a machine is doing 500 j of work with 75 watts of power, how long did it take to complete its tas...
Questions
question
Spanish, 30.03.2021 18:00
question
History, 30.03.2021 18:00
question
Mathematics, 30.03.2021 18:00
question
Mathematics, 30.03.2021 18:00
question
Mathematics, 30.03.2021 18:00
question
Mathematics, 30.03.2021 18:00
Questions on the website: 13722367