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
Alisiya [41]
3 years ago
12

Provide an example of when momentum is conserved and explain your answer you can get 10 PTS if answered with a good explaination

Physics
1 answer:
dezoksy [38]3 years ago
4 0

Answer:

m_1=8\ kg,\ m_2=6\ kg,\ v_1=12\ m/s, v_2=4\ m/s,\ v_1'=-6\ m/s,\ v_2'=28\ m/s

Explanation:

<u>Conservation of Momentum </u>

The total momentum of a system of two particles is

p=m_1v_1+m_2v_2

Where m1,m2,v1, and v2 are the respective masses and velocities of the particles at a given time. Then, the two particles collide and change their velocities to v1' and v2'. The final momentum is now

p'=m_1v_1'+m_2v_2'

The momentum is conserved if no external forces are acting on the system, thus

m_1v_1+m_2v_2=m_1v_1'+m_2v_2'

Let's put some numbers in the problem and say

m_1=8\ kg,\ m_2=6\ kg,\ v_1=12\ m/s, v_2=4\ m/s,\ v_1'=-6\ m/s,\ v_2'=28\ m/s

(8)(12)+(6)(4)=(8)(-6)+(6)(28)

96+24=-48+168

120=120

It means that when the particles collide, the first mass returns at 6 m/s and the second continues in the same direction at 28 m/s

You might be interested in
What does a black asphalt road become hotter than a white cement sidewalk in the same amount of sunlight?
victus00 [196]
The black means that it is a great emitter/absorber of the electromagnetic spectrum. The electromagnetic radiation is reflected of the white and absorbed nurture black meaning that the temperature of the black tarmac increases to that greater the the white
7 0
3 years ago
I need help on this question!
Mashutka [201]

Explanation:

click the link you can get answer of the question

3 0
3 years ago
Which statement best describes the common features of sound waves and light waves
Viktor [21]
Sound waves or bounces off the wall and light waves are waves of light
7 0
3 years ago
What is the speed of a wave that has a frequency of 173 Hz and a wavelength of 2.59 meters? Express your answer to the nearest w
devlian [24]

Answer:

448 m/s is the correct answer.

Explanation:

7 0
3 years ago
Read 2 more answers
If the statement is true, select True. If it is false, select False.
RUDIKE [14]

Answer:

false

Explanation:

6 0
3 years ago
Other questions:
  • Please help! I put this under physics since their was no science button:
    14·2 answers
  • A player kicks a soccer ball from ground level and sends it flying at an angle of 30 degrees at a speed of 26 m/s. What is the v
    15·1 answer
  • What happens to electron flow with a conductor of the voltage source is removed?
    6·1 answer
  • Whereas the vast majority of astrophysicists support the big bang theory, many nonscientists consider the theory to be controver
    6·1 answer
  • For installation with a 25-kVA, 3-phase transformer, a 440-volt primary, and a 120-volt secondary. Calculate the maximum overcur
    12·1 answer
  • Soils with a pH of 6.5 are considered slightly acidic true or false
    12·1 answer
  • A child with mass 40 kg sits on the edge of a merry-go-round at a distance of 3.0 m from its axis of rotation. The merry-go-roun
    9·1 answer
  • Which electromagnetic wave type has the largest wavelength?
    5·1 answer
  • Please answer it fast and correctly​
    8·1 answer
  • 1. Why do certain elements have isotopes?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!