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
yanalaym [24]
3 years ago
15

A car increases velocity from 30 m/s to 60 m/s in 4 seconds. Calculate the average acceleration of the car over this time.

Physics
1 answer:
Lilit [14]3 years ago
3 0

Answer:

B.7.5m/s2

Explanation:

average acceleration=change invelocity/time taken

a=(60-30)/4

=7.5m/s2

You might be interested in
Objects that conduct electricity poorly are called
xxMikexx [17]
Objects that conduct electricity poorly are called non-metals.
4 0
3 years ago
Read 2 more answers
Identify the number of atoms on the reactant side of the chemical equation.
klio [65]
Hi, I believe this should belongs to the chemistry section, but nevertheless here is the solution :

Number of Fe atoms: (2) + (2) =4
Number of O atoms. : (3)
Number of H atoms: (3 X 2)=6
Total atoms: 4+3+6=13 atoms
5 0
3 years ago
Read 2 more answers
I have a doubt on heat and temperature. I need help with this science question and here the question: The water in a lake just r
Volgvan

Answer:

you can't go ice skating on it because if it just reached the temp then you need to wait for about 2 hours

Explanation:

5 0
2 years ago
Please help asap asap<br> wdtwygcbhyeegdlu tcgbihjlnkdm;fnbkhjg hv
kicyunya [14]

Answer:

B

Explanation:

Bbbb

6 0
3 years ago
Which types of electromagnetic waves have wavelengths that are longer than those of visible light but shorter than those of micr
grin007 [14]

Answer:

On one end of the electromagnetic spectrum are radio waves, which have wavelengths billions of times longer than those of visible light. On the other end of the spectrum are gamma rays, with wavelengths billions of times smaller than those of visible light.

Explanation:

add me as brainliest if u the answer is helpful

4 0
2 years ago
Read 2 more answers
Other questions:
  • What is heat, and how does it affect the molecules<br> in a substance?
    8·1 answer
  • Which evidence did Ottowa scientists collect in researching PCB concentrations in Alaska?
    9·2 answers
  • Can an electron be found in an exact spot within an atom
    11·1 answer
  • Suppose the ski patrol lowers a rescue sled and victim, having a total mass of 90.0 kg, down a 60.0° slope at constant speed, a
    8·2 answers
  • In the atmosphere water vapor condenses to form clouds.   Please select the best answer from the choices provided T F
    11·2 answers
  • 1. when estimating the area covered by an object, what type of errors might you make and what are the sources that might have ca
    12·1 answer
  • Tyler throws a baseball, which accidentally breaks a window in his neighbor's house. Which of the following represents the actio
    12·2 answers
  • Present at least one example that illustrates acceleration. Is this a scalar or vector quantity? Explain why. ...?
    7·2 answers
  • Explain why an X-linked recessive trait is expressed more commonly in males than in females.
    15·2 answers
  • How does solar energy work
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!