1. A 50 kg roller coaster car is launched, from ground level, at 20 m/s. How fast will it be moving when it reaches the top of a loop, which is 12 m above the ground? 2. A 200 g model rocket is observed to rise 100 m above the ground after launch. What must have been the launch speed of the rocket at the ground?

3. (This one’s a toughie) A 10 kg monkey swings on a vine from a point which is 40 m above the jungle floor to a point which is 15 m above the floor. If the monkey was moving at 2 m/s initially, what will be his speed at the 15 m point?

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are there options? cause you ain’t. real specific

u can delete ur account.

1. go on google and write

2 open this and click on your profile pic and if your profile is not appearing, then u have to log in.

3. when u click on your profile pic, there appears four options on the top.

4. click on the 1st option and scroll down and go at the bottom.

5. click on edit profile.

6. there appears a option 'prefernces' and at that option at the right side , 'edit' is written.

7. click on the edit option.

8. there is a option " i want to delete my account" and click on that.

hope this u

and ur welcm

: )

talk back to him about the sport and show him your expertise or leave the room