1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
ohaa [14]
2 years ago
5

What does it mean to say that the protons give the atom is identity

Physics
1 answer:
Salsk061 [2.6K]2 years ago
7 0

The number of protons tells you what element an atom is. Just knowing the number of neutrons/mass number does not tell you what element an atom is, since atoms of the same element can have different mass numbers. But all atoms with the same number of protons, are also always of the same element.

Hence, we can identify an atom by the number of protons it has

You might be interested in
Two workers are sliding 350 kgkg crate across the floor. One worker pushes forward on the crate with a force of 390 NN while the
svetoff [14.1K]

Answer:

\mu_k=0.18

Explanation:

First, we write the equations of motion for each axis. Since the crate is sliding with constant speed, its acceleration is zero. Then, we have:

x: T+F-f_k=0\\\\y:N-mg=0

Where T is the tension in the rope, F is the force exerted by the first worker, f_k is the frictional force, N is the normal force and mg is the weight of the crate.

Since f_k=\mu_k N and N=mg, we can rewrite the first equation as:

T+F-\mu_k mg=0

Now, we solve for \mu_k and calculate it:

\mu_k=\frac{T+F}{mg}\\ \\\mu_k =\frac{220N+390N}{(350kg)(9.8m/s^{2})} =0.18

This means that the crate's coefficient of kinetic friction on the floor is 0.18.

6 0
3 years ago
. Một con lắc đơn có chiều dài dây treo 1m dao động điều hoà treo trong một xe chạy trên mặt phẳng nghiêng
lyudmila [28]

Answer:

C

Explanation:

hope for help ....im expert

6 0
3 years ago
Read 2 more answers
What type of electromagnetic radiation can be used as a medical tracer to diagnose disease by being sent through the body's circ
Stolb23 [73]
It c.microwaves !!!!!!!!!!
4 0
2 years ago
Ruff, the 50 cm tall Labrador Retriever stands 3m from a plane mirror and looks at his image. What is Ruffs image position and h
GaryK [48]
Ruff's image is 50m behind the mirror surface and the image is also 3m tall.

This is because it is a plane mirror.
5 0
3 years ago
A bicyclist moves at a constant speed of 6 m/s. How long it will take for the point bicyclist to move 36 m?​
Rudik [331]

Answer:

6 seconds

Explanation:

make me brainliest

3 0
3 years ago
Read 2 more answers
Other questions:
  • The three classes of rocks are sedimentary, metamorphic, and igneous. How are rocks classified into one of these three groups? A
    11·2 answers
  • A distance-time graph indicates that an object travels 2 m in 2 s and then travels another 80 m during the next 40 s. What is th
    9·1 answer
  • Work of 2 joules is done in stretching a spring from its natural length to 11 cm beyond its natural length. what is the force (i
    5·1 answer
  • If the plane travels at 600 km/h for 2 hours, how far has it traveled?
    15·1 answer
  • • The average length is ________ cm. This is the mean or average. b)• Subtract the highest value from the lowest value: ________
    12·1 answer
  • What is the slit spacing of a diffraction necessary for a 600 nm light to have a first order principal maximum at 25.0°?
    11·1 answer
  • A force is a pull or a push true or false?
    10·1 answer
  • What would be the most accurate way to describe resistance?
    12·2 answers
  • To describe velocity, you need to know ____. (1 point)
    6·2 answers
  • What is this question formula a=V²-U² /2S?​
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!