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irina [24]
3 years ago
12

1. Which is an advantage of coal energy?​

Physics
2 answers:
pentagon [3]3 years ago
4 0
Coals energy is affordable and it is easy to burn.
AysviL [449]3 years ago
4 0
The only advantage of turning coal
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QUESTION 1 Linear Motion
Misha Larkins [42]

Answer:

48.51ms / 174.6 km/h

Explanation:

y = 1/2 x g x t^2         v = g x t          

when y = 120m

120 = 1/2 x 9.8 x t^2

t^2 = 24.49

t = 4.95s

when t = 4.95s

v = 9.8 x 4.95

v = 48.51 m/s = 174.6 km/h

I'd say its realistic. But I don't really know that sry

3 0
2 years ago
Two objects of masses m1 = 0.56 kg and m2 = 0.88 kg are placed on a horizontal
ziro4ka [17]

Explanation:

Stern et al. (1999) and Stern (2000), define this variable as those general visions about the world, reflected in the beliefs that people express about their relationship with the environment and nature.हेलो फ्रेंड्स मारो किसी को इनबॉक्स कैसे करें

3 0
3 years ago
I can't understand
alexdok [17]

Answer:

turtle

Explanation:

6 0
3 years ago
An electron that has moved from the outer energy levels towards the inner energy levels of an atom is said to be in a ground sta
IRISSAK [1]
I think it’s true....
7 0
3 years ago
The eiffel tower has a mass of 7.3 million kilograms and a height of 324 meters. its base is square with a side length of 125 me
uranmaximum [27]

Since the tower base is square with a side length of  125 m,

Therefore,

(125\ m)^2+ (125\ m)^2=31250 m^2

Square root of 31250 = 176.776953 (Diameter) , so this is the diameter of the cylinder to enclose it, and radius, r = 88.38834765 m and height, h = 324 m.

The volume of cylinder,

=\pi r^2h=3.14(88.38834765 m)^2\times 324 m =7948168.803\ m^3

Thus, the mass of the air in the cylinder,

=1.225\ kg/m^3 \times 7948168.803\ m^3=9736506.78\ kg

Hence, the mass of the air in the cylinder is this more  than the mass of the tower.


4 0
3 years ago
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