Why does the engineering design process not move smoothly from step to step, but instead goes back and forth between the steps? i know this answer, lol but i don’t know how to explain it! this

Aball has an initial velocity of 3 m/s. if there is no friction, what is the highest it could roll?

Apositive charge moves in the direction of an electric field. which of the following statements are true? check all that apply. check all that apply. 1.the potential energy associated with the charge decreases. 2. the electric field does positive work on the charge. 3. the electric field does negative work on the charge. 4. the potential energy associated with the charge increases. 5. the electric field does not do any work on the charge. 6. the amount of work done on the charge cannot be determined without additional information.

Your science teacher brings in a speaker to talk to your class about climate change. during the session, students ask a few questions. which questions are related to the current evidence on climate change