Physics, 25.06.2019 05:30 joelpimentel
Aroller coaster car is elevated to a height of 30 m and released from rest to roll along a track. at a certain time t it is at a height of 2 m and has lost 25.000 j of energy to friction. the car has a mass of 800 kg. answer the following questions. (a) how fast is the car going at time t? (b) how fast would the car be going at time t if the track were frictionless?
Answers: 1
Other questions on the subject: Physics
Physics, 22.06.2019 11:00, dragon2565
Looking at this barometer, is the air pressure high or low? what type of weather would you expect? high, bad low, bad high, good low, good
Answers: 1
You know the right answer?
Aroller coaster car is elevated to a height of 30 m and released from rest to roll along a track. at...
Questions in other subjects:
Mathematics, 08.12.2019 23:31
Biology, 08.12.2019 23:31
Mathematics, 08.12.2019 23:31
Business, 08.12.2019 23:31
Business, 08.12.2019 23:31
Mathematics, 08.12.2019 23:31
Mathematics, 08.12.2019 23:31
English, 08.12.2019 23:31
