Physics, 12.02.2020 04:16 izzymoreno
A subway train is stalled in a station. A second train approaches the station at 68.5 km/h and brakes to a halt in 48.3 s, stopping just 1.45 m short of the stalled train. What was the distance between the two trains at the instant the moving train began to brake?
Answers: 3
Physics, 22.06.2019 15:30
At 20∘c, the hole in an aluminum ring is 2.800 cm in diameter. you need to slip this ring over a steel shaft that has a room-temperature diameter of 2.804 cm . 1. to what common temperature should the ring and the shaft be heated so that the ring will just fit onto the shaft? coefficients of linear thermal expansion of steel and aluminum are 12×10−6 k−1 and23×10−6 k−1 respectively.
Answers: 1
Physics, 22.06.2019 21:10
A10-kg isto a of 10 m at aa0.9 kg/m.30 kg of ,at aas10-m .. ( 9.8 m/s2 g.)
Answers: 3
Physics, 22.06.2019 22:50
What is an electric motor? explain its operation. 2-3 sentence
Answers: 1
Physics, 23.06.2019 05:00
How long will it take a car traveling of a constant speed of 45m/s to cover the distance of a 2.5km?
Answers: 1
A subway train is stalled in a station. A second train approaches the station at 68.5 km/h and brake...
Social Studies, 01.10.2019 02:00
Chemistry, 01.10.2019 02:00
Biology, 01.10.2019 02:00
Mathematics, 01.10.2019 02:00
Biology, 01.10.2019 02:00
Mathematics, 01.10.2019 02:00
Mathematics, 01.10.2019 02:00
Biology, 01.10.2019 02:00
Biology, 01.10.2019 02:00