Answer: The Earth moves around the Sun in an extended circular or oval pattern. Or otherwise known as an "elliptical" orbit.
Hope this helps!
Without condensation, the water vapor could not turn into clouds and liquids then which means it could not fall back down through things like rain or hail. Eventually, all water on earth would then become water vapor and we wouldn't have any water in liquid form.
Answer:
c) 1.3 X 10⁵ N
Explanation:
<u>Step 1:</u> From equation of motion; V² = U² +2as
where, U and V are initial and final velocity respectively,
a is the acceleration and s is the distance traveled
(5400)² = 0² +2*a*193
a = (5400)²/ (386)
a = 75544.04 m/s²
<u>Step 2:</u> calculate the maximum force applied to the meteor
= 211,523.312 N
<u>Step 3:</u> calculate the average force applied to the meteor
= 105,761.7 N
1.1 X 10⁵ N
The nearest option is C
<span>d. the conversion of kinetic energy created by the movement of gasses into a useful form of energy</span>
The given options are not typed correctly, the correct options are given below
Options:
a. 95.32 < 28.97°
b. 100 < 30° + 5 < -130°
c. 83.4 + j46.2
d. 100 < 30° + j5 <-40°
e. 100 < 30° - 5 < 50°
f. 90.43 + j46.79
Answer:
a. V = 95.32 < 28.97°
b. V = 100 < 30° + 5 < -130°
c. V = 83.4 + j46.20
Explanation:
Given sinusoidal function V = 100cos(100t + 30°) + 5sin(100t - 40°)
We have to convert it to phasor notation
In polar form,
100cos(100t + 30°) = 100 < 30°
In rectangular form,
100 < 30° = 86.6 + j50
Covert the sine into cosine by adding phase shift of -90° ( to perform any mathematical operation, it is important to have both quantities in the same function i.e. either sine or cosine
5sin(100t - 40° - 90°) = 5cos(100t - 130°)
In polar form,
5cos(100t - 130°) = 5 < -130°
In rectangular form,
5 < -130° = -3.21 - j3.83
Now add the two quantities
V = 86.6 + j50 + (-3.21 - j3.83)
V = 100 < 30° + 5 < -130°
In rectangular form
V = 83.4 + j46.20
In polar form
V = 95.32 < 28.97°
Therefore, the answer is
in rectangular form V = 83.4 + j46.20
in polar form V = 95.32 < 28.97°
