Physics, 18.11.2020 22:20 khikhi1705
Max and his friend want to ride in the front car of a roller coaster. What happens to the car's kinetic energy as the roller coaster car is pulled to the top of the first big hill?
A.
Its kinetic energy is released into the air at the top of the hill.
B.
Its kinetic energy is added to the potential energy to give it twice as much speed.
C.
Its kinetic energy is converted to potential energy at the very top of the hill.
D.
Its kinetic energy is transferred to the wheels so it can roll quickly down the hill.
Answers: 1
Physics, 22.06.2019 05:00
Does work output exceed work input when a machine is used? a) yes, it does, as machines create energy. b) it depends on the type of machine used. c) no, it doesn’t, as machines are inefficient. d) no, it doesn’t, as machines cannot create energy.
Answers: 1
Physics, 22.06.2019 09:50
If an athlete runs once around a track, back to the starting line, her average velocity is zero. true or false?
Answers: 3
Physics, 22.06.2019 17:20
Scientific models are based on current knowledge, which can limit their effectiveness when new discoveries are made.
Answers: 1
Physics, 23.06.2019 02:00
Calculate the numbers of photons having a wavelength of 10.0 mm required to produce 1.0 kj of energycalculate the numbers of photons having a wavelength of 10.0 mm required to produce 1.0 kj of energy
Answers: 1
Max and his friend want to ride in the front car of a roller coaster. What happens to the car's kine...
English, 18.03.2021 01:00
History, 18.03.2021 01:00
Mathematics, 18.03.2021 01:00
History, 18.03.2021 01:00
Mathematics, 18.03.2021 01:00
Mathematics, 18.03.2021 01:00
Computers and Technology, 18.03.2021 01:00
Mathematics, 18.03.2021 01:00
Business, 18.03.2021 01:00
English, 18.03.2021 01:00
Mathematics, 18.03.2021 01:00
Mathematics, 18.03.2021 01:00
Biology, 18.03.2021 01:00
Mathematics, 18.03.2021 01:00