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const2013 [10]
3 years ago
13

Which subatomic particles will you add or remove to change the mass of an atom

Physics
1 answer:
user100 [1]3 years ago
4 0
B. because protons and neutron are the sum of atomic mass of an element
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3 years ago
A 1,000 kg car is travelling at 6.5 m/s to the North. A 3,500 kg truck is travelling South at the same velocity. What is the tot
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Answer:

16250 kgm/s due south

Explanation:

Applying,

M = mv................. Equation 1

Where M = momentum, m = mass, v = velocity.

From the car,

Given: m = 1000 kg, v = 6.5 m/s

Substitute these values into equation 1

M = 1000(6.5)

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For the truck,

Given: m = 3500 kg, v = 6.5 m/s

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M' = 22750 kgm/s.

Assuming South to be negative direction,

From the question,

Total momentum of the two vehicles = (6500-22750)

Total momentum of the two vehicles = -16250 kgm/s

Hence the total momentum of the two vehicles is 16250 kgm/s due south

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2 years ago
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