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
Phantasy [73]
2 years ago
14

Jack was playing with a toy car and a track that records velocity over time using sensors and it generated the graph below:

Chemistry
1 answer:
Taya2010 [7]2 years ago
6 0

Answer:

a,c, and d

Explanation:

if velocity is not a flat line, that means there is acceleration, whether it is positive or negative acceleration.

You might be interested in
Which statement correctly compares the masses of subatomic particles in an atom such as carbon?
iogann1982 [59]

Answer:

C- A proton has about the same mass as a neutron .

Explanation:

In an atom such as a carbon atom, the masses of the proton and neutrons are the same.

The mass of the electrons is very negligible.

  • Protons are the positively charged particles in an atom
  • Neutrons do not carry any charges
  • Both protons and neutrons have similar masses.
  • They contribute the bulk of the mass of the atom.
  • The electrons carry negative charges and they have negligible masses.

The mass of protons and neutrons are similar.

5 0
2 years ago
By making several measurements with the same balance, a chemist obtained values of 5.224 g, 5.235 g, and 5.259 g for the mass of
stepan [7]

Answer:

a) Measurements have a good precision.

Explanation:

Accuracy is the proximity of the data to the value considered as real, in this situation we do not know the real value and we do not know if the data is accurate or not, so we can discard options b and d.

Now, precision is the proximity of the data obtained among themselves and that is what we can observe, so the appropriate answer is the option a.

6 0
3 years ago
Explain the differences between bronze and brass, and steel and cast iron. Which is best used for cooking wares?
Dennis_Churaev [7]

Answer:

Steel and cast iron

Explanation:

They are all metal but assuming that you are finding the best material for your pan i suggest going for steel or cast iron

8 0
2 years ago
A double-replacement reaction takes place when aqueous cobalt (III) chloride reacts with aqueous lithium hydroxide. One of the p
olga55 [171]
The correct answer is Co(OH) 3
5 0
3 years ago
I need help ASAP!!!!!!!!!!!!!!!!!!!
liraira [26]

last one? don't take my word though

Explanation:

the suns heat is related to nuclear fusion

6 0
2 years ago
Other questions:
  • Which one of the following is a common acid? A. Antacid
    8·2 answers
  • What are mole ratios used for?
    7·1 answer
  • IUPAC name for [Fe(NH3)4Cl2]NO3
    7·1 answer
  • What is the density of a 25.8 g piece of broken glass that has a volume of 10.3 cm cubed
    6·1 answer
  • What type of bonding is butane​
    14·1 answer
  • 6PbO + O2 → 2Pb304<br> a. How many grams of Pb304 are produced from 8.50 grams of lead(II) oxide?
    11·1 answer
  • The valency of both Oxygen and magnesium is 2 give reason <br><br>​
    7·1 answer
  • Zinc reacts with hydrochloric acid. *
    11·1 answer
  • How does a solution with a pH of 2 compare to a solution with a pH of 1?
    7·1 answer
  • Use the reaction to answer the question.
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!