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igor_vitrenko [27]
2 years ago
14

What is the mass of a neutron?

Physics
2 answers:
Anastaziya [24]2 years ago
8 0

Answer:

1

Explanation:

enyata [817]2 years ago
7 0

Answer:

I think 1 amu

Sorry if it is wrong.

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A 2.1 ✕ 103-kg car starts from rest at the top of a 5.9-m-long driveway that is inclined at 19° with the horizontal. If an avera
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Answer:

3.9 m/s

Explanation:

We are given that

Mass of car,m=2.1\times 10^3 kg

Initial velocity,u=0

Distance,s=5.9 m

\theta=19^{\circ}

Average friction force,f=4.0\times 10^3 N

We have to find the speed of the car at the bottom of the driveway.

Net force,F_{net}=mgsin\theta-f=2.1\times 10^3\times 9.8sin19-4.0\times 10^3

Where g=9.8 m/s^2

Acceleration,a=\frac{F_{net}}{m}=\frac{2.1\times 10^3\times 9.8sin19-4.0\times 10^3}{2.1\times 10^3}

v=\sqrt{2as}

v=\sqrt{2\times \frac{2.1\times 10^3\times 9.8sin19-4.0\times 10^3}{2.1\times 10^3}\times 5.9}

v=3.9 m/s

7 0
3 years ago
Lithium (chemical symbol Li) is located in Group 1, Period 2. Which is lithium most likely to be? O A. A soft, shiny, highly rea
algol13
A. A soft, shiny, highly reactive metal
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2 years ago
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Describe the climate and name the climate zone at alaska; portland, oregon; and key west, florida.
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Alaska-                   Subartic Climate 
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3 years ago
Stairway must have uniform riser height and tread depth; variations in riser height or tread depth shall not be over _______ inc
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Answer:

\frac{3}{8} inches

Explanation:

the variations in riser height or tread depth should not be grater than \frac{3}{8} inches that is equal to 9.5 mm but the maximum riser height should be the  \frac{81}{4} inch  but variation in riser height should not exceed to \frac{3}{8} inches. The minimum riser height should be 7 inches which is equal to the 178 mm

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What is an atomic theory?
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3 years ago
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