2 because when you are doing this it causes friction Which then cause the balloon to stick
~dany-ley
Answer:
in 90 seconds It'll travel 450m At constant speed of 5m/s
Answer:

Explanation:
When two cars collide then the momentum of two cars will remains conserved
- Mass of two cars = 100 kg
-
Speed of car B = - 10 m/s
-
After collision the speed of car B = +8 m/s
By momentum conservation equation


Answer:
An estuary is the area where a river meets the sea or ocean, where fresh water from the river meets salt water from the sea.