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Yuri [45]
3 years ago
8

5 points If you can help me out my doods

Physics
1 answer:
enot [183]3 years ago
6 0
7. solar flare: f.

8. core: h.

9. chromosphere: b.

10. sunspot: d.

11. corona: c.

12. nuclear fusion: j.

13. photosphere: a.

14. solar wind: g.

15. prominence: e.

16. radiation zone: k.

17. convection zone: i.


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If it takes 100 N to get a 10 kg object to accelerate at 10m/s/s, how much force will it take to get a 20 kg object to accelerat
yan [13]

Answer: C) 200 N

Explanation:

The force F is defined as:

F=m.a

Where:

m=20 kg is the mass of the object

a=10 m/s^{2} is the acceleration

Then:

F=(20 kg)(10 m/s^{2})

Finally:

F=200 N

Hence, the correct option is C.

7 0
3 years ago
The oxygen molecule, O2, has a total mass of 5.30×10-26 kg and a rotational inertia of 1.94×10-46 kg-m2 about an axis perpendicu
Nady [450]

Answer:

\omega=2.85*10^{13}\frac{rad}{s}

Explanation:

The translational kinetic energy depends on the mass and speed of the body, as follows:

K_T=\frac{mv^2}{2}\\K_T=\frac{5.30*10^{-26}kg(1.49*10^3\frac{m}{s})^2}{2}\\\\K_T=1.18*10^{-19}J

While rotational kinetic energy depends on the moment of inertia and the angular velocity of the body, as follows:

K_R=\frac{I\omega^2}{2}(1). We know that:

K_R=\frac{2}{3}K_T(2)

Replacing (1) in (2):

\frac{I\omega^2}{2}=\frac{2}{3}K_T\\\\\omega=\sqrt{\frac{4}{3}\frac{K_T}{I}}\\\omega=\sqrt{\frac{4}{3}\frac{1.18*10^{-19}J}{1.94*10^{-46}kg\cdot m^2}}\\\omega=2.85*10^{13}\frac{rad}{s}

4 0
4 years ago
NEED A PHYSICS EXPERT TO HELP ME PLS
Brut [27]

Answer:

Discharge Rate = 0.2 cubic meters per second

Explanation:

Torricelli's Law is derived from Bernoulli's equation and simply states that the speed of the efflux in a Torricelli apparatus (shown below) is directly proportional to and affected only by the height of the fluid above it.

V = √2g(10-2)

Putting value of g = 9.8 we get:

V = 12.52 m/s

Discharge rate = Q = A × V

= 1.60/100 × 12.52

= 0.2 cubic meter per second

Best Regards!

5 0
3 years ago
How is the nitrogen cycle important to humans? HELP 18 mins
nikdorinn [45]

Nitrogen is a crucially important component for all life. It is an important part of many cells and processes such as amino acids, proteins and even our DNA. It is also needed to make chlorophyll in plants, which is used in photosynthesis to make their food.

3 0
3 years ago
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Is the physical property of matter that causes it to experience a force when placed in an electromagnetic field. Two types of electric charges are positive and negative.
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