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Virty [35]
3 years ago
14

True or false : More sunspots mean more energy comes from the sun

Physics
2 answers:
ipn [44]3 years ago
7 0
The answer is True: <span>sunspots are one effect of increased activity on the Sun, so if there are more sunspots then there is more activity produced by the sun causing more energy to be created, I hope this helped!!!!! goodluck!!!! :)

</span>
RoseWind [281]3 years ago
6 0
True, hope this helps


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A spherical ball of lead has a diameter of 7.5 cm . what is the mass of the sphere if lead has a density of 11.34 g/cm3? (the vo
Gwar [14]
The diameter of the sphere is 7.5 cm, therefore its volume is
V = [(4π)/3]*(7.5/2 cm)³ = 220.8932 cm³

The density of the lead ball is 11.34 g/cm³, therefore its mass is
m = (220.8932 cm³)*(11.34 g/cm³) = 2.5049 x 10³ g = 2.5048 kg

Answer: 2.5 kg (nearest tenth)
4 0
3 years ago
Reduction of the amount of waste entering the waste stream is called __________
Marta_Voda [28]
The answer that fits the blank is SOURCE REDUCTION. Source reduction refers to the prevention of further pollution by eliminating the source before this can produce the wastes. This helps in the reduction of pollution, thus reduces the amount of toxins brought by these wastes that may harm the environment.
3 0
3 years ago
Which of one of Newtons laws are being tested here? Explain how this law relates to figure one
Bess [88]

Answer:

Newtons second law (f=m×a)

Explanation:

The mount of force put into the straw or onto the balloon impacts the acceleratoion and is effected by the mass.

7 0
3 years ago
An organism is a __________.
Thepotemich [5.8K]
Human or animal or something 
6 0
3 years ago
Read 2 more answers
1. Calculate the total binding energy of 12
ahrayia [7]

Answer:

1. B = 79.12 MeV

2. B = -4.39 MeV/nucleon

3. B = 2.40 MeV/nucleon

4. B = 7.48 MeV/nucleon

5. B = -18.72 MeV

6. B = 225.23 MeV            

Explanation:

The binding energy can be calculated using the followng equation:

B = (Zm_{p} + Nm_{n} - M)*931 MeV/C^{2}

<u>Where</u>:

Z: is the number of protons

m_{p}: is the proton's mass = 1.00730 u

N: is the number of neutrons

m_{n}: is the neutron's mass = 1.00869 u

M: is the mass of the nucleus

1. The total binding energy of ^{12}_{6}C is:

B = (Zm_{p} + Nm_{n} - M)*931.49 MeV/u

B = (6*1.00730 + 6*1.00869 - 12.011)*931.49 MeV/u = 79.12 MeV

 

2. The average binding energy per nucleon of ^{24}_{12}Mg is:

B = \frac{(Zm_{p} + Nm_{n} - M)}{A}*931.49 MeV/u

<u>Where</u>: A = Z + N

B = \frac{(12*1.00730 + 12*1.00869 - 24.305)}{(12 + 12)}*931.49 MeV/u = -4.39 MeV/nucleon                                  

   

3. The average binding energy per nucleon of ^{85}_{37}Rb is:

B = \frac{(Zm_{p} + Nm_{n} - M)}{A}*931.49 MeV/u

B = \frac{(37*1.00730 + 48*1.00869 - 85.468)}{85}*931.49 MeV/u = 2.40 MeV/nucleon

     

4. The binding energy per nucleon of ^{238}_{92}U is:

B = \frac{(92*1.00730 + 146*1.00869 - 238.03)}{238}*931.49 MeV/u = 7.48 MeV/nucleon

 

5. The total binding energy of ^{20}_{10}Ne is:

B = (Zm_{p} + Nm_{n} - M)*931.49 MeV/u

B = (10*1.00730 + 10*1.00869 - 20.180)*931.49 MeV/u = -18.72 MeV

6. The total binding energy of ^{40}_{20}Ca is:

B = (Zm_{p} + Nm_{n} - M)*931.49 MeV/u

B = (20*1.00730 + 20*1.00869 - 40.078)*931.49 MeV/u = 225.23 MeV

I hope it helps you!

8 0
3 years ago
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