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
Ilia_Sergeevich [38]
3 years ago
10

Two football players are running toward each other. One football player has a mass of 105 kg and is running at 8.6 m/s. The othe

r player has a mass of 90 kg and is running at -9.0 m/s. What is the momentum of the system after the football players collide? 93 kg · m/s 1,713 kg · m/s. 810 kg · m/s. 903 kg · m/s.
Chemistry
2 answers:
Maksim231197 [3]3 years ago
4 0

Answer:A is the Answer

Explanation:

ElenaW [278]3 years ago
3 0

Answer:

Total momentum of both player after collision =93  Kg m/s

Explanation:

According to law of conservation of momentum

For an isolated system of bodies , momentum of bodies before and after collision remains same.

momentum is given by mass* velocity

_________________________________________

Here the isolated system of bodies are

two football players.

Momentum of player before collision

Momentum of player 1 = 105*8.6 = 903 Kg m/s

Momentum of player 2 = 90*-9 = -810 Kg m/s

Total momentum of both player before collision = 903 + (-810) = 93 Kg m/s

as by conservation of

Total momentum of both player before collision = Total momentum of both player after collision

Total momentum of both player after collision =93  Kg m/s

You might be interested in
Which two terns describe this type of data? First to answer (correct) gets brainlist
Nina [5.8K]

Answer:

The is B. and D.

Explanation:

5 0
3 years ago
Please help I soon as possible it’s really important
Vlada [557]

Answer:

II. Rearrange the following jumbled words/phrases to make meaningful sentences: 5x1=5

a. certainly/the laughter/is/medicine/best

b. laughter/fact/is/in/a/panacea/for/diseases/all

c. lowers/pressure/by/circulation/it/blood/increasing/blood

d. a sense/and promotes/of/stress/well-being/laughter/decreases.

e. healthy food/ needed/is/better/also/lead/to/a/life

8 0
3 years ago
The final volume of the solution is 284 mL. What is the concentration of CuSO4 in the final solution, in mol/L?
DochEvi [55]

Answer:

0.0252mol/L

Explanation:

The following data were obtained obtained from the question:

Volume of solution = 284mL = 284/1000 = 0.284L

Mole of CuSO4 = 7.157 × 10^-3 mol

Molarity =?

Molarity = mole/Volume

Molarity = 7.157x10^-3 /0.284

Molarity = 0.0252mol/L

The concentration of the solution is 0.0252mol/L

7 0
3 years ago
Benzophenone has a normal freezing point of +48.1 oC, with freezing point depression constant Kfpt = − 9.78 oC/m. A 0.1500 molal
Neporo4naja [7]

Answer:

i = 2.79

Explanation:

The excersise talks about the colligative property, freezing point depression.

Formula to calculate the freezing point of a solution is:

Freezing point of pure solvent - Freezing point of solution = m . Kf . i

Let's replace data given. (i = Van't Hoff factor, numbers of ions dissolved in solution)

48.1°C - 44°C = 0.15 m . 9.78°C/m . i

4.1°C / (0.15 m . 9.78°C/m) = i

i = 2.79

In this case, numbers of ions dissolved can decrease the freezing point of a solution, which is always lower than pure solvent.

3 0
3 years ago
How much mass do 2.0 moles of uranium contain
jasenka [17]
The answer is going to be 476.06.
8 0
3 years ago
Other questions:
  • Which of the following nuclei would be the most stable?
    15·1 answer
  • What are the terms: organic compound and organic chemistry?
    8·1 answer
  • Consider the balanced chemical reaction below and determine the percent yield for iron if 11.2 moles of Iron(III) oxide yielded
    10·1 answer
  • An FM radio station has a wavelength of 2.813 m . Convert this length to feet.
    5·2 answers
  • Why do the 8 phases of the moon occur
    15·1 answer
  • How is the modern periodic table arranged?
    7·2 answers
  • As the temperature of a reaction increases, it is expected that the reacting particles collide
    8·1 answer
  • Of the atoms below, __________ is the most electronegative.
    15·1 answer
  • Ummmm!! Can somebody please help me answer this question
    6·2 answers
  • When 10 grams of water completely evaporate into water vapor, the volume of the water vapor is greater than the volume of the or
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!