A family car has a mass of 1400 kg. In an accident it hits a wall and goes from a speed of 27 m/s to a standstill in 1. 5 seconds. By how much would the force have been reduced if the car had had a crumple zone that increased the collision time to 2. 2 seconds? give your answer to the nearest whole number.

Astudy group should stay around 3-6 people. true or false

Break down of rocks and minerals into smaller particles without a change in composition is called_

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.