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When the sun's rays strike Earth's surface near the equator, the incoming solar radiation is more direct (nearly perpendicular or closer to a 90˚ angle). Therefore, the solar radiation is concentrated over a smaller surface area, causing warmer temperatures.
Answer:
He has 5,609,404 J of potential energy
Explanation:
P.E. = M*G*H
65 * 9.8^2 * 8800
The tension in the string supporting the rod and the attached weights is 7.11 N.
<h3>Tension in the string supporting the rod</h3>
The tension in the string supporting the rod and the attached weights is the sum of the weights supported by the strings.
T = (m1 + m2)g
where;
- m1 and m2 are the two masses supported
0.4lb + 1.2lb = 1.6lb = 0.725 kg
T = 0.725 x 9.8
T = 7.11 N
Learn more about tension here: brainly.com/question/918617
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Answer
given,
total charge Q = 100 n C
= 100 × 10⁻⁹ C
radius of the solid sphere = 30 cm
= 0.3 m
Volume of sphere = 
= 
=0.113 m³
a) volume charge density

ρ = 8.85 × 10⁻⁷ C/m³
b) at r = 10 cm = 0.1 m
charge in the sphere at radius

= 3.7037 \times 10^{-9}C[/tex]
Field strength


= 
at r = 20 cm = 0.2 m





= 
at r = 30 cm


= 9.99 N/C