a 3 kg model train going right at 2.8 m/s bumps into another 2 kg model train car moving in the same direction at 1.6 m/s. the heavier train car has a final speed of 2.2 m/s to the right. find the final speed of the lighter train car. state the law of conservation of momentum.
Answers: 2
Other questions on the subject: SAT
SAT, 23.06.2019 22:30, dianelys3083p5spb5
Assessment includes a. interviews, recorded conversations, videos, frequency counts, and time samples. b. formal standardized tests and developmental screening tools. c. various types of documented observations, documentation of child work, checklists, rating scales, and standardized tests. d. anecdotal notes, narratives or daily records, daily health checks, and teacher observation checklists.
Answers: 2
SAT, 25.06.2019 13:00, Bearboy1564
Which of the following is a presentation cue? a. crossing your arms b. mumbling c. repeating words d. whistling
Answers: 2
SAT, 26.06.2019 05:00, nayelimoormann
The graph shows a trend in an ecosystem over time caused by increased pollution in the region. what can you conclude from the graph? a. there’s lower biodiversity among birds. b. there’s a higher reproductive rate among birds. c. there’s a significant decline in the number of producers. d. other types of animals were unaffected by pollution.
Answers: 1
Do you know the correct answer?
a 3 kg model train going right at 2.8 m/s bumps into another 2 kg model train car moving in the same...
Questions in other subjects:
Chemistry, 25.09.2021 18:30
