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Marat540 [252]
2 years ago
9

Two blocks are initially at rest with a compressed spring between them. When the spring is released, the 2m block moves to the l

eft and the m block moves to the right. This represents an inelastic collision in a closed system.
A diagram of two square masses sitting on a flat horizontal surface connected by a spring. The mass on the left is labeled 2 m and the mass on the right is labeled m.
What best describes the blocks after the spring is released?

The total energy is zero.
The total momentum is zero.
The momentum of the m block is zero.
The momentum of the 2m block is zero.
Mathematics
1 answer:
choli [55]2 years ago
7 0

The statement that best describes the blocks after the spring is released is the total momentum is zero.

<h3 /><h3>Law of conservation of momentum</h3>

From the law of conservation of momentum, the initial momentum of the system, M equals the final momentum of the system M'

M = M'

<h3>Momentum of blocks</h3>

Now, since both blocks are initially at rest, the initial momentum M = 0.

Since the initial momentum equals the final momentum after the blocks are released,

M = M' = 0

So, the total momentum after the blocks are released is zero.

So, the statement that best describes the blocks after the spring is released is the total momentum is zero.

Learn more about total momentum here:

brainly.com/question/25121535

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Twice the difference between a number
Alecsey [184]

Answer:

Let x = the number

2(x-5) = 9

2x - 10 = 9

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Step-by-step explanation:

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3 years ago
Which graph shows that Cindy reads about 3/4 of the time while riding in the car?
wolverine [178]

The graph that shows a unit rate of 3/4, which is the time Cindy reads while riding in the car is the graph attached below.

<h3>What is Unit Rate?</h3>

Unit rate can be described as a constant or exactly how much of one quantity is per 1 unit of another quantity.

Unite rate (k) = x/y.

In the graph attached below, when x (hours driving) = 3, y (hours reading) = 4.

Therefore, unit rate = 3/4. We can then conclude that the graph that shows that Cindy reads 3/4 of the time she rides in a car is the graph attached below.

Learn more about unit rate on:

brainly.com/question/19493296

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4 0
1 year ago
a craftsman drill is on sale for $99.99. If the sales tax rate is 7%, how much will molly have to pay for the drill?
Nadya [2.5K]
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ANWSER- $106.99
Hope this helped.
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3 years ago
832,651,097 help me<br> With problem #3
Alborosie

Answer:

Hi :D

Nearest hundred thousand: 832,650,000

Nearest thousand: 832,651,000

Nearest million: 833,000,000

Nearest hundred: 832,651,100

Hope this helps!

Sahkfam (:

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