A Cone of Depression occurs when a well pumps water from a certain area and causes a depression in a cone shape in the water table.
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The sun is 1.989E30 kg. <em>It's radius is 695, 800 Km.</em>
Use kinematic equations to solve:
1) yf = yo + vo*t + 1/2at²
yf = final height
yo = initial height
vo = initial velocity
a = acceleration
t = time
yf - yo = vo*t + 1/2at²
yf - yo = h
vo = 0
Thus,
h = 1/2at²
h = 1/2(9.8)(12)² = 705.6 m
2) vf = vo + at
vo = 0
Thus,
vf = at
vf = (9.8)(12) = 117.6 m/s
The correct answer is C, right-side up and smaller.
It is the most common example of spherical mirrors. The inside of the spoon acts like a concave mirror and the back side of it like a convex mirror.
A convex mirror always forms a real and diminished image. That is, the image formed is erect or right-side up and smaller in size. Therefore, Lin Yao should describe her reflection on the back side of the mirror to be right-side up and smaller.
Answer:
Explanation:
Wire is in the form of an arc of the size of a quarter of a circle. The distance between its two end
=√2 x 21 cm
= 29.7 cm
= 29.7 x 10⁻² m
Force on the arc in the magnetic field will be same as the straight line meeting its two ends.
Force = BIL
= 48 x10⁻³ x 1.5 x 29.7 x 10⁻²
= 2138.4 x 10⁻⁵ N.
