derrellbrown0621 derrellbrown0621
  • 04-07-2021
  • Physics
contestada

Question 7 of 10
A railroad freight car with a mass of 32,000 kg is moving at 2.0 m/s when it
runs into an at-rest freight car with a mass of 28,000 kg. The cars lock
together. What is their final velocity?
A.1.1 m/s
B. 2.2 m/s
C. 60,000 kg•m/s
D. 0.5 m/s

Respuesta :

fatmayahya379
fatmayahya379 fatmayahya379
  • 04-07-2021

Answer:

a

Explanation:

you take 32,000kg ÷2.0m

Answer Link

Otras preguntas

how must a projectile be launched in order to maximize its range?
How to solve mufti step equations 6a+5a=-11
What is the connection between 2.3 times 6.9 and 6.9 divided by 2.3.
What factors add to get -18 and multiply to get 75?
There are 30 students in a class that took a test. The average grade of 10 students was 80. The other 20 students average was 89. What is the overall average fo
how many atoms in C9H8O4
what evidence shows that sumerians where not prehistoric
Enzymes have many uses in home and industry.what type of organisms are used to produce these enzymes?Chose the correct answer from the following options:Mammals
Which cell part converts food into energy that is usable by a cell?
Convert 35kg to its equivalent in g using dimensional analysis