Answers: 2
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 12:30
Which levels of government establish and implement educational requirements for minors
Answers: 1
Physics, 22.06.2019 14:00
Awater balloon launcher uses an elastic band with a spring constant of 115 n/m to use thee launcher you stretch thee band back with a balloon n it the water balloons have a mass of 1.3 kg a) if you stretch the band by 0.8 m, what elastic force will the band exert? b) with the band stretched 0.8 m, how much elastic potential energy is stored in the spring? c) if you release the band, it pushes forward. what is the kinetic energy of the balloon when it reaches the natural length of the band? d) what is the speed of the balloon when it reaches the natural length of the band?
Answers: 1
Physics, 22.06.2019 14:30
Which of the following changes will increase the capacitance of a parallel-plate capacitor? (there could be more than one correct choice.) a) increase the charge on the plates b) decrease the poten5al between the plates c) increase the potential between the plates d) introduce a dielectric material between the plates e) decrease the separation between the plates
Answers: 3
What type of energy transfer occurs when you plug in and use a toaster. HINT: You have to push down...
Business, 19.11.2019 03:31
Chemistry, 19.11.2019 03:31
Mathematics, 19.11.2019 03:31
Biology, 19.11.2019 03:31
Arts, 19.11.2019 03:31
Mathematics, 19.11.2019 03:31
Mathematics, 19.11.2019 03:31
English, 19.11.2019 03:31
Mathematics, 19.11.2019 03:31
Mathematics, 19.11.2019 03:31
English, 19.11.2019 03:31