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Naddik [55]
3 years ago
11

If the Mass Number is the sum of the protons and neutrons in an atom, what is the mass number of

Physics
1 answer:
gogolik [260]3 years ago
4 0

Answer:

It's 31

Explanation:

add 15 and 16

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Choose two forces and compare and contrast these forces. These must be different forces than used in the prior question. Provide
marin [14]

Answer:

Explanation:

There are 4 forces. These are 1) Gravity, 2) Weak Nuclear Force, 3) Electromagnetism, and 4) Strong Nuclear Force. 

Order of strength from weakest to strongest: Gravity, Weak Nuclear Force, Electromagnetism, Strong Nuclear Force

Type of Range:

Gravity - Unlimited range

Weak Nuclear Force - Limited range

Electromagnetism - Infinite range

Strong Nuclear Force - Limited Range

Found in:

Gravity - Exists between all objects with mass

Weak Nuclear Force - Governs over beta decays like the emission of electron or positron

Electromagnetism - the attraction found between particles that are electrically charged

Strong Nuclear Force - Found in atoms and subatomic particles. It is responsible for holding the atoms' nucleus together.

6 0
3 years ago
Могут ли быть сообщающиеся сосуды неодинаковы пр своей форме
Rudik [331]

Answer:

no

Explanation:

they cannot because they contain the same amount of liquid

8 0
3 years ago
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This is for physics, i need help fast!!
jarptica [38.1K]
Speed = distance / time
S= 40 000m / 5400s
S= 7.41m/s
7 0
3 years ago
How are electric motors and generators similar? 
kotykmax [81]

Answer:

they both produce energy

Explanation:

7 0
3 years ago
A bicycle wheel of radius 0.70 m is rolling without slipping on a horizontal surface with an angular speed of 2.0 rev/s when the
aleksandrvk [35]

Answer:

θ= 5 radian

Explanation:

Given data:

Radius r = 0.70 m

Initial angular speed ω_i = 2rev/s

Time t = 5 s

Final angular speed ω_f =0

so we have angular displacement

\theta= \frac{\omega_f-\omega_i}{2}\times t

putting values

\theta= \frac{0-2}{2}\times5 = 5 rad

8 0
3 years ago
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