Answer:
D. Thomson
Explanation:
The first model of the atom was proposed by J. J. Thomson.

=

x = 82.93 m
Nothing to deal with physics.
Maths. Scale factor. Year 9.
<em>Answer:</em>
<em>Velocity is vector quantity.So it needs direction in addition to speed.</em>
<em>Explanation:</em>
<em>The velocity of an object is the rate of change of its position with respect to a frame of reference, and is a function of time. Velocity is equivalent to a specification of its speed and direction of motion. </em>