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
Artist 52 [7]
3 years ago
5

What component of an atom determines what element it is?

Physics
1 answer:
serg [7]3 years ago
8 0
The number of protons in the element.
You might be interested in
When the voltage is
gizmo_the_mogwai [7]

Explanation:

ask to nirajan shrestha

search on fb

he is good science teacher❣❣❣

7 0
3 years ago
Q.Solve the following circuit find total resistance RT. Also find value of voltage across resister RC.
vagabundo [1.1K]

Answer:

R_total = 14.57 Ω ,  V_C = 1.176 V

Explanation:

To solve this circuit we are going to find the equivalent resistance of each branch, let's remember

* Serial resistance  

         R_{eq} = ∑ R_{i}

* For resistance in parallel

        1 / R_{eq} = ∑ 1/R_{i}

We solve the two branches of the wheatstone bridge

Series resistors

Branch B

         R_B = Rb + R4

         R_B = 2 + 18

         R_B = 20 Ω

Branch C

         R_C5 = Rc + R5

         R_C5 = 3 + 12

         R_C5 = 15 Ω

Resistance in parallel R_B and R_C5

         1 / R_BC = 1 / R_B + 1 / R_C5

          1 / R_BC = 1/20 + 1/15 = 0.116666

          R_BC = 8.57 Ω

Now we have a single branch, we solve the series resistance

          R_total = R_A + R_BC

          R_total = 6 + 8.57

          R_total = 14.57 Ω

b) they ask us for the voltage in the resistance R_C

Let's remember that the voltage in a series circuit is the sum of the voltages

           10 = V_a + V_BC

           10 = i R_a + i R_BC = i (R_a + R_BC)

           i = 10 / (R_a + R_BC)

           i = 10 / (14.57)

           i = 0.6863 A

The current in the series circuit is constant

          V_BC = i R_BC

          V_BC = 0.6863 8.57

          V_BC = 5.8819 V

This voltage is divided in the bridge, for the two branches in parallel it is the same, but the resistance is different in each branch.

     Branch C

             V_BC = i R_C5

             i = V_BC / R_C5

             i = 5.8819 / 15

             i = 0.39213 A

In this branch we have two resistors in series, let's remember that the current in a series circuit is constant

             V_C = i R_C

              V_C = 0.39213 3

              V_C = 1.176 V

3 0
3 years ago
CHAPTER 6: KINETICS OF A PARTICLE
vekshin1

Explanation:

Work done by winch = kinetic energy of car

∫ T ds = ½ mv²

∫ 225s ds = ½ mv²

225/2 s² = ½ mv²

225 s² = mv²

v = 15s / √m

Given s = 10 m and m = 2500 kg:

v = 15 (10) / √2500

v = 3 m/s

8 0
3 years ago
A student needs to travel a total of 400 miles to reach his vacation destination . if he drives at an average speed of 50 mph ho
Arte-miy333 [17]

Answer:

The answer is 8 hours.

Explanation:

M : H

50 : 1

400 : X

400 * 1 = 50 x

400 / 50 = 8

8 0
3 years ago
Read 2 more answers
What force is necessary to accelerate a 5.0 kg mass from rest to a final velocity of 10.0 m/s in 5.0 s?
vesna_86 [32]

Answer:

10 N

Explanation:

F = ma = m(Δv/t) = 5.0(10.0 - 0)/5.0 = 10 N

4 0
3 years ago
Other questions:
  • Help ASAP! Giving brainliest!!!
    9·2 answers
  • What is the relative humidity when the dry-bulb temperature is 16°c and the wet-bulb temperature is 14°c?
    13·1 answer
  • What variable does the slope represent?
    15·2 answers
  • What is acceleration due to gravity
    6·2 answers
  • If 143 joules of work are needed to move a box 9 meters, what force was used?
    13·2 answers
  • Why is electrical wiring usually made from copper ?
    14·1 answer
  • In 1949, an automobile manufacturing company introduced a sports car (the "Model A") which could accelerate from 0 to speed v in
    5·1 answer
  • what is the kinetic energy of a 1 kilogram ball is thrown into the air with an initial velocity of 3 m/sec
    10·1 answer
  • Tarnish is produced by a redox reaction that occurs when a metal reacts with
    7·1 answer
  • A pathogen has entered your body and you become sick. You develop a fever and vomit. This is your body's way of trying to mainta
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!