Physics, 13.03.2020 18:12 lorrainelopez
A train car with mass = 609 kg is moving to the right with a speed of = 7.7 m/s and collides with a second train car. The two cars latch together during the collision and then move off to the right at = 4.6 m/s.
a. What is the initial momentum of the first train car?
b. What is the mass of the second train car?
c. What is the change in kinetic energy of the two train system during the collision?
Answers: 2
Physics, 22.06.2019 04:00
Determine the maximum r-value of the polar equation r =3+3 cos 0
Answers: 3
Physics, 22.06.2019 04:00
Ametal ball with a mass of 0.028 kg is dropped from rest at a height of 1.0 meters above the ground. assuming the energy in the ball is conserved, how much kinetic energy will the ball have when it is 0.5 meters above the ground?
Answers: 1
Physics, 22.06.2019 11:00
The charge on an electron is 1.60218 × 10−19 c and its mass is 9.10939 × 10−31 kg. how strong a magnetic field must be experienced by the electron if its path is a circle of radius 5.5 cm? answer in units of t.
Answers: 3
Physics, 22.06.2019 12:30
Consider a hydrogen atom in the ground state. what is the energy of its electron? =e= jj now consider an excited‑state hydrogen atom. what is the energy of the electron in the =5n=5 level? =e5= j
Answers: 3
A train car with mass = 609 kg is moving to the right with a speed of = 7.7 m/s and collides with...
History, 01.02.2021 05:40
Mathematics, 01.02.2021 05:40
Mathematics, 01.02.2021 05:40
Advanced Placement (AP), 01.02.2021 05:40
Mathematics, 01.02.2021 05:40
History, 01.02.2021 05:40
English, 01.02.2021 05:40