If anyone can answer any of these questions it would be so amazing. My teacher for physical science didn't do a good job explaining it and I don't have enough time to teach it to myself.

Both independent and dependent clauses

4. a car with a mass of 2,200 kg can accelerate from 0 to 30 m/s in 6 seconds. a. assuming all of the force generated by the engine goes into acceleration of the car, how much force is the engine producing? show your work. (6 points)

Hello i am required to make a physics experiment plus powerpoint presentation. i want to see your suggestions about simple topics with examples of how to talk about it in the presentation. note: any incomplete answer will be reported.