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
BartSMP [9]
2 years ago
6

An unbalanced force of 20N acts on a 4.0kg mass what is it's acceleration​

Physics
1 answer:
tankabanditka [31]2 years ago
4 0

Hi there!

According to Newton's second law:

∑F = m · a, where:

∑F = net force (N = kgm/s²)

m = mass (kg)

a = acceleration (m/s²)

Rearrange to solve for acceleration:

F/m = a

20N / 4.0kg = 5 m/s²

You might be interested in
Which of the following is a characteristic of digital data?
Westkost [7]

Answer:

duplication being slightly more expensive.

Explanation:

3 0
2 years ago
Is an ocean wave electromagnetic or mechanical
swat32

Answer:

mechanical

Explanation:

the energy is carried by water <3 hope this helped

3 0
2 years ago
Which process do plants use to turn sunlight into food energy? photosynthesis cellular respiration transpiration evaporation
Aloiza [94]
The answer is A. Photosynthesis 
have a good day!
5 0
3 years ago
Read 2 more answers
Calculate the change in entropy as 0.3071 kg of ice at 273.15 K melts. (The latent heat of fusion of water is 333000 J / kg)
Ostrovityanka [42]

Answer:

374.39 J/K

Explanation:

Entropy: This can be defined as the degree of disorder or randomness of a substance.

The S.I unit of entropy is J/K

ΔS = ΔH/T ..................................... Equation 1

Where ΔS = entropy change, ΔH = Heat change, T = temperature.

ΔH = cm................................... Equation 2

Where,

c = specific latent heat of fusion of water = 333000 J/kg, m = mass of ice = 0.3071 kg.

Substitute into equation 2

ΔH = 333000×0.3071

ΔH = 102264.3 J.

Also, T = 273.15 K

Substitute into equation 1

ΔS = 102264.3/273.15

ΔS = 374.39 J/K

Thus, The change in entropy = 374.39 J/K

3 0
2 years ago
Estimate the monthly cost of using a 700 W refrigerator that runs for 10 hours a day if the cost per kilowatt hours is cents $.2
Mrac [35]

Answer:

$4.2

Explanation:

Given data

Power= 700W

time= 10 hours

Cost per kilowatt hours is cents $0.20

Let us find the number of hours in a month

=24*30

=720 hours

Energ= power*time

Energy= 700/1000*30

Energy= 7*3

Enery= 21 kwh

1 kwh= 0.2

21kwh= x

cross multiply

x=21*0.2

x= $4.2

4 0
2 years ago
Other questions:
  • Which of these processes in the water cycle occur at a very high rate, to cause a hurricane?
    14·1 answer
  • A electric model train travels at 0.339 m/s around a circular track of radius 1.75 m. How many revolutions does it perform per s
    13·1 answer
  • TRUE OR FALSE: with time and pressure, peat turns into lignite, or brown coal.
    13·2 answers
  • Which of the following is correct definition of electrical energy
    11·1 answer
  • The speed is represented by
    12·2 answers
  • A bungee jumper of mass 75kg is attached to a bungee cord of length L=35m. She walks off a platform (with no initial speed), reac
    8·1 answer
  • Random question, what does hot dog REALLY mean?
    14·1 answer
  • Action and Reaction are equal in magnitude and opposite in direction.Then,Why do they not balance each other?​
    14·1 answer
  • A car mass 600kg starts from rest moving uniform acceleration 0.2 m/s^2 after 60 seconds collides with stationary pick up van of
    8·1 answer
  • If a bag of pretzels says it contains 10 servings, and each serving is 150 calories, how many calories would you consume if you
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!