A 1000. –kilogram car traveling 20. 0 meters per second east experiences an impulse of 2000. Newton • seconds west. What is the final velocity of the car after the impulse has been applied?.

How many liters of 60% alcohol solution should be added to 40 liters of a 20% alcohol solution to make a 50% solution?

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.

It takes longer to fly an airplane against a with it