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
bulgar [2K]
3 years ago
11

A 30-g car rolls from a hill 12 cm high and is traveling at 154 cm/s as it travels along a 275 cm horizontal track. What is the

momentum of the car?
A. 360 g⋅cm
B. 1848 cm2/s
C. 4620 g⋅cm/s
D. 8250 g⋅cm
Chemistry
1 answer:
Olegator [25]3 years ago
8 0

Answer:

Explanation:

By definition, the momentum is given by:

p=m*v

Where,

m: car mass

v: speed of the car

Substituting the values in the given definition we have:

p=3*154

Answer:

the momentum of the car is:

4620g * cm/s

You might be interested in
A train travels 74 kilometers in 3 hours, and then 73 kilometers in 2 hours. What is its average speed? km/hr
nikitadnepr [17]
12km/Hr is the correct answer
 
5 0
3 years ago
Read 2 more answers
1. Mixing is a physical change.<br> True or false
Hitman42 [59]

Answer:

true

Explanation:

if u mix it can explode which is a chemical reaction

5 0
3 years ago
Read 2 more answers
Which of the following statements is a true statement regarding a solution with [H1+] =1x10-5 M and [OH1-]= 1x10-9 M?
zheka24 [161]

Answer:

B. The [H1+] >[OH1-] and the solution is acidic

4 0
3 years ago
What is a displacement reactions​
Alisiya [41]

<h2><u>Question</u><u>:</u>-</h2>

\textsf{what is a displacement reactions?   }      

<h2><u>Answer</u><u>:</u></h2>

\large \underbrace{ \underline{ \sf Displacement \: reaction}}

The reaction in which more reactive element replace a less reactive element from its compound is called displacement reaction.

Ex:-

\bold{\large Zn+HCl \longrightarrow ZnCl_2+H_2}

6 0
3 years ago
Read 2 more answers
Consider the balanced equation:
kakasveta [241]

Answer:

well hello there ms gabby I might not know the answer but you could text me on Ig or sc

ig:wavy_sean5

sc:despeechless5

ur really pretty

5 0
3 years ago
Other questions:
  • Which factor is generally responsible for high melting points?
    10·2 answers
  • Can someone please do this for me
    14·1 answer
  • 9. What happens to the thermal energy that is added to the water between 4 and 11 minutes?
    15·1 answer
  • 2 radioactive isotopes of oxygen?
    5·1 answer
  • Which of the following elements has properties different than the rest?
    11·1 answer
  • How is thermal energy transferred between two objects that are at different temperatures?
    13·1 answer
  • Give an example of change that includes more than one change​
    12·1 answer
  • Why couple should use a method of birth control
    15·1 answer
  • A piece of wood displaces 12.5 mL of water and has a density of 0.97 g/ml. what is the mass of the piece of wood? what will happ
    8·1 answer
  • The number of carbon atoms in 45.21g C
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!