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
Ghella [55]
3 years ago
13

Perform the following addition calculation and provide your answer with the correct number of significant figures of 0.1223+1.01

Physics
1 answer:
Hoochie [10]3 years ago
4 0
Oak i will give u the answer hold on
You might be interested in
An electron is accelerated by a 5.9 kV potential difference. das (sd38882) – Homework #9 – yu – (44120) 3 The charge on an elect
klio [65]

Complete Question

An electron is accelerated by a 5.9 kV potential difference. das (sd38882) – Homework #9 – yu – (44120) 3 The charge on an electron is 1.60218 × 10−19 C and its mass is 9.10939 × 10−31 kg. How strong a magnetic field must be experienced by the electron if its path is a circle of radius 5.4 cm?

Answer:

The magnetic field strength is  B= 0.0048 T

Explanation:

The work done by the potential difference on the electron is related to the kinetic energy of the electron by this mathematical expression

                             \Delta V q = \frac{1}{2}mv^2

      Making v the subject

                             v = \sqrt{[\frac{2 \Delta V * q }{m}] }

 Where m is the mass of electron

              v is the velocity of electron

              q charge on electron

               \Delta V is the potential difference  

Substituting values

         v = \sqrt{\frac{2 * 5.9 *10^3 * 1.60218*10^{-19} }{9.10939 *10^{-31]} }f

            = 4.5556 *10^ {7} m/s

For the electron to move in a circular path the magnetic force[F = B q v] must be equal to the centripetal force[\frac{mv^2}{r}] and this is mathematically represented as

                  Bqv = \frac{mv^2}{r}

making B the subject

                B = \frac{mv}{rq}

r is the radius with a value = 5.4cm = = \frac{5.4}{100} = 5.4*10^{-2} m

Substituting values

                B = \frac{9.1039 *10^{-31} * 4.556 *10^7}{5.4*10^-2 * 1.60218*10^{-19}}

                     = 0.0048 T

                 

7 0
4 years ago
What temperature is required to transfer waste heat to the environment for a heat engine to be 100 percent efficient?
vlada-n [284]
HeatEngines!Agasolineengineisaformofaheatengine."Gasoline is mixed with air."A spark ignites the mixture, whichburns rapidly."Heat is released from the
8 0
4 years ago
Read 2 more answers
Hiii please help i’ll give brainliest if you give a correct answer please thanks!
lakkis [162]

Answer: the first one

Explanation: good luck!

8 0
3 years ago
Read 2 more answers
A car is traveling at some speed when it accelerates at 6 m/s2 for 3 seconds. If the car travels 39 meters in this time, how fas
Alchen [17]

Answer:

4 m/s

Explanation:

Given:

Δx = 39 m

a = 6 m/s²

t = 3 s

Find: v₀

Δx = v₀ t + ½ at²

39 m = v₀ (3 s) + ½ (6 m/s²) (3 s)²

v₀ = 4 m/s

6 0
3 years ago
a 2 kg block of ice is pushed along the ground with a constant 10 n force assuming there is no friction what is the acceleration
Sergio039 [100]
According to Newton’s second law acceleration= force/mass

So acceleration = 10/2
= 5m/s^2


3 0
3 years ago
Other questions:
  • Which of the following is true for projectile motion?
    13·2 answers
  • A rock hits the ground with a speed of 7 m/s and a kinetic energy of 100 J. What is the rock's mass?
    12·2 answers
  • What makes us think that mars must once have had an atmosphere that was warmer and had higher surface pressure?
    8·1 answer
  • When an atom is in excited state emits a photon of radiation, the energy of the photon is equal to the?
    12·1 answer
  • A Hooke's law bowstring is stretched x meters until a force of f newtons is applied, and then held. By what factor will the elas
    13·1 answer
  • Who is god? And does he exist?​
    9·2 answers
  • 3. A car has a mass of 1,000 kilograms. If a net force of 2,000 N is exerted on the car, what is its acceleration?
    12·1 answer
  • When a 20 kg explosive detonates and sends a 5 kilogram piece traveling to the right at 105 m/s
    7·1 answer
  • As you look at the side of the wheel, you can see it spinning clockwise. What are the directions of the angular velocity, and an
    15·1 answer
  • The practice of science can answer only scientific questions. And scientific questions guide the design of investigations. What
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!