All vibrating bodies produce sounds in molecules of the medium they are as air,wood,water
Answer:
All of the following are kinds of forces except?
<h2><u><em>b) acceleration is the Answer</em></u></h2>
Explanation:
<h3><u><em>Acceleration is actually produced when a force acts upon a body therefore it is the result after we apply any force.</em></u></h3>
A- 85m per second
B- 85 sdcounds
Fillipo Brunelleschi<span> & Masaccio. The first known picture to make use of linear perspective was created by the Florentine</span>architect Fillipo Brunelleshi<span> (1377-1446). Painted in 1415, it depicted the Baptistery in Florence from the front gate of the unfinished cathedral.</span>
Answer:
The problem occurs with all spherical mirrors.
Spherical mirrors are practical up to about inches in diameter.
Reflecting telescopes use spherical mirrors for apertures up to about 4 ".
Larger aperture telescopes use parabolic mirrors to obtain sharp focus.