The force on each balloon is 2×10^−3 N.
Consider two balloons of diameter 0.200m each with a mass of 1.00g hanging apart with 0.0500m separation on the ends of string making angles of 10.0° with the vertical.

So,

A force is an influence that can change the motion of an object. A force can cause an object with mass to change its velocity (e.g. moving from a state of rest), i.e., to accelerate. Force can also be described intuitively as a push or a pull. A force has both magnitude and direction, making it a vector quantity. It is measured in the SI unit of newton (N).
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General relativity is the theory of space and time. This was theory was found by Albert Einstein
The mass of 1.0 l of water in grams is 1,000 g ;)
Frequency measure the energy in a wave.
Answer:
10 m/s
Explanation:
Kinetic energy=
mv² where m is mass and v is velocity.
We have to make v the subject so we should rearrange the equation
K=
mv²
v²=
(use algebra)
v²= 7/0.5×0.140
v²=100
v=√100
v=10 m/s
We can confirm this by using the kinetic energy formula.
K=
×0.140×10²
K= 7 J
Hence it is proved that velocity is 10 m/s