To answer the specific problem, the balloon contains 480kg
of helium. I am hoping that this answer has satisfied your query and it will be
able to help you, and if you would like, feel free to ask another question.
Answer:
Grow up man, this is completely based on your curriculum, we would need your book to answer, and this has to be done by you.
Answer: It indicates the speed of a object. The steeper the line the greater the speed of the object.
Answer:
It conserves both energy and momentum in the collision at the same time. By design, when the balls collide the strings that hold them up are vertical (assuming balls are only swung from one side).
Explanation:
Hope This Helps!!
Grass dear wolf is the right awnser