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hichkok12 [17]
3 years ago
7

Pleaseeee hurry!!!

Physics
1 answer:
atroni [7]3 years ago
7 0

Answer: C

Explanation: this is called an isotope which has equal number of protons but different numbers of neutrons in the nucleus hence different atomic mass but no difference in chemical properties.

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A Van de Graaff generator is one of the original particle accelerators and can be used to accelerate charged particles like prot
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Answer:

595391.482946 m/s

3.21875\times 10^{6}

Explanation:

E = Energy = 1.85 keV

I = Current = 5.15 mA

e = Charge of electron = 1.6\times 10^{-19}\ C

t = Time taken = 1 second

m = Mass of proton = 1.67\times 10^{-27}\ kg

Velocity of proton is given by

v=\sqrt{\dfrac{2E}{m}}\\\Rightarrow v=\sqrt{\dfrac{2\times 1.85\times 10^3\times 1.6\times 10^{-19}}{1.67\times 10^{-27}}}\\\Rightarrow v=595391.482946\ m/s

The speed of the proton is 595391.482946 m/s

Current is given by

I=\dfrac{\Delta Q}{t}\\\Rightarrow \Delta Q=It\\\Rightarrow \Delta Q=5.15\times 10^{-3}\times (1\ sec)\\\Rightarrow Q=5.15\times 10^{-3}\ C

Number of protons is

n=\dfrac{Q}{e}\\\Rightarrow n=\dfrac{5.15\times 10^{-3}}{1.6\times 10^{-19}}\\\Rightarrow n=3.21875\times 10^{6}\ protons

The number of protons is 3.21875\times 10^{6}

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The largest stars are _____ times the mass of the Sun. 10 100 1,000 10,000
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<h3><u>Answer;</u></h3>

100 times

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