Question

If toy rocket rises vertically and then falls back to the ground, what changes occur in the rocket's velocity and acceleration.

Please give a sentence explanation not a formula

Answer 1

The acceleration remains constant one g down as the speed up drops to zero at the top of the flight and then it starts downward hitting the ground at the same speed down it started up but the opposite direction.

Answer 2

Thanks for your help.

Answer 3

You are welcome.

Answer 4

Ok so here is another question.

During a trip in the car , when will the car be accelerating positively and when will the car be accelerating negatively.

Sentence explanation please.

Answer 5

That depends what direction you define as positive. If + is direction from your house out, then a is positive leaving and negative as you decelerate (brake) to land at your destination. However as you start home, if you do not redefine the positive direction, your increase in speed is and acceleration in the negative direction as you build up negative velocity to get home.

Answer 6

How can we eliminate the use of the term "Declaration"?



Please give a sentence explanation, thank you in advance:)

Answer 7

We can eliminate the term “deceleration” by representing it as negative acceleration.