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
Maslowich
3 years ago
7

A train is accelerating at a rate of 2 m/s squared. if its initial speed of 20 m/s how long does it take the train to reach a sp

eed of 80 m/s
Chemistry
1 answer:
marusya05 [52]3 years ago
5 0

Answer:

30s

Explanation:

Set up the equation and solve for x:

2x+20=80

2x=60

x=30

You might be interested in
How many grams of water are produced from reacting 25 grams of oxygen gas with hydrogen gas to produce water?
Serhud [2]

Answer:

take these as notes ig:)

Explanation:

reaction equations to make connections between the reactants and products in reactions. ... pathway: mol of O2 → mol of H2O → grams of H2O. 3.5 mol ... 25 g KClO3 ... How many grams of hydrogen gas are produced from the reaction of 221.

6 0
3 years ago
Which equation represents the combined gas law?
stealth61 [152]

Answer:

P1V1/T1= P2V2/T2

Explanation:

Combined gas law involves Boyle's law and Charles law altogether with the formula of Boyle's law as P1V1=P2V2

formula for charles law as V1/T1=V2/T2

so when combined form P1V1/T1=P2V2/T2

4 0
3 years ago
Why are reactions of ionic compounds very fast?
galina1969 [7]
Ionic compounds<span> in solution react </span>faster<span> than molecular </span>compounds<span>. This </span>is <span>because </span>Ionic compounds<span> break apart to form free </span>ions. Therefore, there are no bonds<span> to break </span>so<span> the </span><span>reaction is fast</span>
3 0
3 years ago
Why are leaves different colors?
Marina86 [1]
<span>Why are leaves different colors?</span><span>
The chlorophyll breaks down</span>
6 0
3 years ago
the number below and to the right of an element in a chemical formula. It represents the number of atoms of that element in chem
RideAnS [48]
The statement is true, if that was your question
6 0
3 years ago
Read 2 more answers
Other questions:
  • How is energy passed along in the food chain and food web PLEASE HELP QUICK
    15·1 answer
  • Help please
    15·2 answers
  • A thermometer reads a temperature to be 38.0 °C. What is the temperature in
    10·1 answer
  • What is the meaning of weight?
    9·2 answers
  • Wich symbols represent SI units for temperature?
    9·2 answers
  • Can you answer this question for me please
    15·1 answer
  • Any one of the 6 machines that all machines are made of​
    6·1 answer
  • 15. Which portion of a molecule of F20 has partial positive charge?
    5·2 answers
  • A balloon that had a volume of 3. 50 L at 25. 0°C is placed in a hot room at 40. 0°C. If the pressure remains constant at 1. 0
    10·1 answer
  • 10. The hottest stars in the sky are A about 200,000°c B about 5,800°c C about 22.000.
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!