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
VikaD [51]
4 years ago
15

Imagine two billiard balls on a pool table. Ball A has a mass of 7 kilograms and ball B has a mass of 2 kilograms. The initial v

elocity of the ball A is 6 meters per second to the right, and the initial velocity of the balloon B is 12 meters per second to the left.
When the two balls hit each other, what will happen if it is a perfectly inelastic collision?


What can you say about the total momentum before and after the collision?
Physics
1 answer:
olga_2 [115]4 years ago
7 0
A) the final velocity = 66/9 m/s.
b) The total momentum before and after collision is the same because energy is destroyed or made.
Thanks brainly. <span />
You might be interested in
Red Riding Hood sat down to rest and placed her 1.20-kg basket of goodies beside her. A wolf came along, spotted the basket, and
anygoal [31]

Answer:

  117.6°

Explanation:

The vertical component of a force directed at some angle α from the vertical is ...

  F·cos(α)

We want the vertical components of the wolf's force (Fw) and Red's force (Fr) to total zero. So for some angle from vertical α, Red's force will satisfy ...

  Fw·cos(25°) + Fr·cos(α) = 0

  cos(α) = -Fw/Fr·cos(25°) ≈ -(6.4 N)/(12.5 N)·0.906308 ≈ -0.464030

  α ≈ arccos(-0.464030) ≈ 117.6°

Red was pulling at an angle of about 117.6° from the vertical.

_____

<em>Additional comment</em>

That's about 27.6° below the horizontal.

3 0
3 years ago
In which of these biomes do nutrients cycle fastest?
nordsb [41]

Answer:

the answer is tropical rainfores

7 0
3 years ago
a lorry travels 3600m on a test track accelerating constantly at 3m/s squared from standstill. what is the final velocity (3 sig
suter [353]

The final velocity of the truck is found as 146.969 m/s.

Explanation:

As it is stated that the lorry was in standstill position before travelling a distance or covering a distance of 3600 m, the initial velocity is considered as zero. Then, it is stated that the lorry travels with constant acceleration. So we can use the equations of motion to determine the final velocity of the lorry when it reaches 3600 m distance.

Thus, a initial velocity (u) = 0, acceleration a = 3 m/s² and the displacement s is 3600 m. The third equation of motion should be used to determine the final velocity as below.

2as =v^{2} - u^{2} \\\\v^{2} = 2as + u^{2}

Then, the final velocity will be

v^{2} = 2 * 3 * 3600 + 0 = 21600\\ \\v=\sqrt{21600}=146.969 m/s

Thus,  the final velocity of the truck is found as 146.969 m/s.

8 0
3 years ago
A stone is dropped from a bridge and hits the pavement below in two seconds. What is the velocity of the stone when it hits the
Helen [10]
We have: a = v/t
Here, t = 2 s  [ Given ]
a = 9.8 m/s²  [constant value for earth system ]

Substitute their values into the expression:
9.8 = v/2
v = 9.8 × 2
v = 19.6 m/s

In short, Your Answer would be Option B

Hope this helps!
4 0
3 years ago
Read 2 more answers
a baseball pitcher throws a fastball at 42 meters per second. if the batter is 18 meters from the pitcher, approximately how muc
lapo4ka [179]
T=D/v = 18/42 = 43 seconds
6 0
3 years ago
Read 2 more answers
Other questions:
  • Please help!! Will give Brainliest and 35 points!!
    15·1 answer
  • Please help! I especially need help with the second question but help with the first one would be most appreciated!
    5·1 answer
  • Help?? Pictures for each state
    10·1 answer
  • A small ball of mass m is dropped immediately behind a large one of mass M from a height h mach larger then the size of the ball
    11·1 answer
  • Two microwave signals of nearly equal wavelengths can generate a beat frequency if both are directed onto the same microwave det
    9·2 answers
  • How does light interact with the surface of a rough stone?
    7·1 answer
  • Why the brakes of a car gets hotter than the brakes of a bicycle?
    8·1 answer
  • Currently, the Sun is thought to be located in the galactic _____________ about ____________ the center of the galaxy.
    12·1 answer
  • Help plsss !!!!!!!7777$$
    7·1 answer
  • to what height will a 250g soccer ball rise to if it is kicked directly upwards at 8 meters per second​
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!