Physics, 10.09.2019 18:30 anthonylopez1
Suppose a single electron orbits about a nucleus containing two protons (+2e), as would be the case for a helium atom from which one of the naturally occurring electrons is removed. the radius of the orbit is 2.99 × 10-11 m. determine the magnitude of the electron's centripetal acceleration.
Answers: 3
Physics, 21.06.2019 16:00
As shown in fig. p3.64, a closed, rigid tank fitted with a fine-wire electric resistor is filled with refrigerant 22, initially at 2108c, a quality of 80%, and a volume of 0.01 m3. a 12-volt battery provides a 5-amp current to the resistor for 5 minutes. if the final temperature of the refrigerant is 408c, determine the heat transfer, in kj, from the refrigerant.
Answers: 1
Physics, 21.06.2019 20:00
Which sentences describe disadvantages of burning fossil fuels instead of using hydrogen fuel cells? burning fossil fuels contributes to climate change. burning fossil fuels takes place inside expensive fuel cells. fossil fuels aren't widely available, but pure hydrogen is. fossil fuels are nonrenewable.
Answers: 1
Physics, 22.06.2019 00:20
Zeros that follow non-zeros numbers and are also to the right of a decimal point are significant
Answers: 2
Physics, 22.06.2019 03:00
The respiratory system removes oxygen and water from the body. select the best answer from the choices provided t f
Answers: 2
Suppose a single electron orbits about a nucleus containing two protons (+2e), as would be the case...
English, 04.12.2020 18:20
Biology, 04.12.2020 18:20
Engineering, 04.12.2020 18:20
English, 04.12.2020 18:20
Business, 04.12.2020 18:20
Mathematics, 04.12.2020 18:20
Biology, 04.12.2020 18:20
Mathematics, 04.12.2020 18:20
Mathematics, 04.12.2020 18:20
Mathematics, 04.12.2020 18:20
Mathematics, 04.12.2020 18:20
Mathematics, 04.12.2020 18:20
Mathematics, 04.12.2020 18:20