Physics, 18.02.2020 13:18 gracetay3721
A 900kg car moving at 60m/s has approximately 320,000J of kinetic energy. Estimate it's new kinetic energy, if it is moving at 30m/s.
Answers: 2
Physics, 21.06.2019 22:30
What is the earliest point in the universe that we can observe? why canβt we see back further than this?
Answers: 2
Physics, 22.06.2019 04:30
You are traveling in a car going at a constant speed of 100km/h down a long, straight highway. you pass another car going in the same direction which is traveling at a constant speed of 80km/h. as measured from your car's reference frame this other car is traveling at β20km/h. what is the acceleration of your car as measured from the other car's reference frame? what is the acceleration of the other car as measured from your car's reference frame?
Answers: 2
Physics, 22.06.2019 11:10
Rank the automobiles based on the magnitude of the force needed to stop them, from largest to smallest.2000 kg car going 5m/s500 kg car going 20 m/s1000 kg car going20m/s500 kg car going10m/s1000 kg car going10/s4000 kg car going 5m/s 0 0 603
Answers: 3
Physics, 22.06.2019 14:00
Explain why you think this diagram shows what happened to the carbon in the biodome.
Answers: 2
A 900kg car moving at 60m/s has approximately 320,000J of kinetic energy. Estimate it's new kinetic...
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