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strojnjashka [21]
3 years ago
6

What are ways to find mass?

Physics
2 answers:
liq [111]3 years ago
8 0

Answer:

The method used to find atomic mass depends on whether you're looking at a single atom, a natural sample, or a sample containing a known ratio of isotopes:

Look Up Atomic Mass on the Periodic Table If it's your first encounter with chemistry, your instructor will want you...

Sum of Protons and Neutrons for a Single Atom To calculate the atomic mass of a single

enyata [817]3 years ago
4 0

Answer:

density/volume

Explanation:

I hope it helps

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30 Points 4 correct answer!!! ^u^
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A 5000-kg freight car runs into a 10,000-kg freight car at rest. They couple upon collision and move with a speed of 2 m/s. What
Vitek1552 [10]

Answer:

C) 6 m/s

Explanation:

Given that

m₁=5000 kg

The initial velocity of 5000 kg car =u₁

m₂=10,000 kg

The initial velocity of 10000 kg car =u₂ = 0 m/s

After collision the final speed of the both car,v = 2 m/s

There is no any external force on the system that is why linear momentum will be conserved.

Linear momentum P = m v

m₁u₁ + m₂u₂ = (m₂ + m₁) v

5000 x u₁ + 10000 x 0 = (5000 + 10000) x 2

5000 x u₁ = 15000 x 2

5 x u₁ = 15 x 2

u₁ = 6 m/s

Therefore the answer is C.

C) 6 m/s

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