Physics, 19.04.2021 02:50 MrKrinkle77
A rollercoaster cart that has a mass of 4500 kg has 67.5 kJ (kilojoules), or 67,500 J (joules), of gravitational potential
energy. What is its height above the ground?
PT.2
The same 4500 kg rollercoaster cart is moving with 63.0 kJ (kilojoules), or 63,000 J (joules), of kinetic energy at the
bottom of its biggest hill. What is its velocity?
Answers: 2
Physics, 20.06.2019 18:02
Once cells with nuclei developed, organisms were able to become more complex, which allowed them to adapt to the conditions in more habitats. by which process do organisms adapt and evolve?
Answers: 3
Physics, 21.06.2019 22:40
Which feature indicates that mars resides in the inner region of the solar system
Answers: 3
Physics, 22.06.2019 02:50
Ammonia enters the expansion valve of a refrigeration system at a pressure of 10 bar and a temperature of 18oc and exits at 6.0 bar. the refrigerant undergoes a throttling process. determine the temperature, in oc, and the quality of the refrigerant at the exit of the expansion valve.
Answers: 3
Physics, 22.06.2019 09:30
Astone is dropped from a cliff and falls 9.44 meters. what is the speed of the stone when it reaches the ground? a. 13.6 m/sec b. 1.39 m/sec c. 185 m/sec d. 9.80 m/sec
Answers: 3
A rollercoaster cart that has a mass of 4500 kg has 67.5 kJ (kilojoules), or 67,500 J (joules), of g...
English, 10.02.2021 23:00
Mathematics, 10.02.2021 23:00
Business, 10.02.2021 23:00
Mathematics, 10.02.2021 23:00
Mathematics, 10.02.2021 23:00
History, 10.02.2021 23:00
Computers and Technology, 10.02.2021 23:00
Social Studies, 10.02.2021 23:00
Mathematics, 10.02.2021 23:00
Mathematics, 10.02.2021 23:00
Computers and Technology, 10.02.2021 23:00