A team of engineers is asked to help a community improve local air quality What will the next step be after the team has identified the requirements and
limitations of a possible solution?
A. Brainstorming multiple solutions
B. Communicating the solution
c. Testing the prototype
D. Defining the problem

Suppose that recording station n is located 200 km north of the epicenter of an earthquake, and recording station s is located 100 km south of the epicenter of the same earthquake. which of the following statements would be true?

A1000-kg weather rocket is launched straight up. the rocket motor provides a constant acceleration for 16-s, then the motor stops. the rocket altitude 20-s after launch is 510-m. you can ignore any effects of air resistance. a. what was the rocket’s acceleration during the first 16-s? b. what is the rocket’s speed as it passes through a cloud 5100-m above the ground?

The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e