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Mumz [18]
3 years ago
10

Describe the total momentum of billiard balls before and after the cue ball collides with another ball.

Physics
2 answers:
Semmy [17]3 years ago
7 0

Answer:

The Total Momentum before and after collision remains the same.

Explanation:

Note that the balls have the same masses.

A moving cue ball has an initial momentum. After every collision with another stationary ball, the momentum, which is the product of their mass and velocity, of the balls is conserved. This simply means that the total momentum before the collision is the same as the total momentum after the collision.

This also means that the energy must be conserved as well. The balls cannot fling away from each other with more energy than you give them.

dolphi86 [110]3 years ago
6 0

Answer:

Total momentum is conserved before and after collusion and it's elastic.

Explanation:

For two colliding balls, the general vector equation for conservation of linear momentum is giving as

Ma*V1a = Ma*V2a + Mb*V2b

Where Ma=mass of que ball = Mb = mass of billiard ball so therefore

V1a= velocity of que ball before impact, V2a = velocity of que ball after impact, V2b = velocity of billiard ball after impact.

So therefore:

V1a = V2a + V2b

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sergey [27]

Answer:

1/8 x C

Explanation:

The capacitance of parallel plate capacitor

= ε₀ A /d where A is area of plate and d is distance between plate.

for capacitor 1

C =  ε₀ A /d

For capacitor 2

radius = R/2

Area = A / 4

Capacitance

= ε₀ (A/4) x ( 1 / 2d )

= ( 1 / 8) x (ε₀ A /d)

= 1/8 x C

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3 years ago
1. What exactly is science?<br> Write the definition of<br> science in your own words.
sladkih [1.3K]
The intellectual and practical activity encompassing the systematic study of the structure and behaviour of the physical and natural world through observation and experiment.
7 0
3 years ago
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Blueberries cost $4.00 per pound, how many blueberries can you buy for $1.00
melomori [17]

Answer:

1/4 of a pound or 4 ounces

Explanation:

4.00 = 1 pound (= 16 oz)

4.00 / 16 oz = 4

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3 0
3 years ago
An orchestra is practicing a piece that is to be played at an allegro tempo. The conductor sets a metronome at 160 beats per min
MariettaO [177]

To develop this problem it is necessary to apply the concepts related to the Frequency according to the Period. Frequency is the number of repetitions per unit of time of any periodic event. The period is the length of time of each repetitive event, so the period is the reciprocal of the frequency.

The frequency of the metronome in seconds would then be

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f = 2.67\frac{beats}{s}

Since the frequency is inversely proportional to the period then

T = \frac{1}{f}

T = \frac{1}{2.67}

T = 0.375s = 375ms

The correct answer is B. 375ms

4 0
3 years ago
If you exert a force of 10.0 N to lift a box a distance of 0.75 m, how much work do you do?
Bas_tet [7]

Answer:

<h2>7.5 J</h2>

Explanation:

The work done by an object can be found by using the formula

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From the question we have

workdone = 10 × 0.75

We have the final answer as

<h3>7.5 J</h3>

Hope this helps you

7 0
3 years ago
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