3 years ago

What happens to a sample of matter when its particles lose kinetic energy?

1 answer:

3 0

Answer:

Heat makes the particles in a solid vibrate faster, giving them more kinetic energy. Faster-vibrating particles bump into one another more often and hit each other harder. ... When a sample of solid, liquid, or gas matter cools down, it contracts. When matter cools down, its particles lose kinetic energy.

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The product of 7 and x is -28 what is the value of x

Sindrei [870]

The value of x is -4

8 0

2 years ago

Read 2 more answers

Can someone help me please

nataly862011 [7]

Answer:

D is 90 E is 81 F is 99

Step-by-step explanation:

D is 90 because a straight angle equals 180 degrees. E is 81 because it is directly across from 81. F is 99 because 180-81 is 99

7 0

1 year ago

Find the equation of the line perpendicular to the 13x-3y=9 and passing through (-5,0)

aev [14]

9514 1404 393

Answer:

x +4y = -5

Step-by-step explanation:

The equation of the perpendicular line can be found by swapping the x- and y-coefficients and negating one of them. The new constant can be found by substituting the point values into the equation.

3x +12y = 3(-5) +12(0)

3x +12y = -15

We notice that all of the values include a factor of 3. We can divide that out to put the equation in standard form:

x + 4y = -5