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2 years ago

If you remove large amounts of heat from a liquid, what could happen

Physics

1 answer:

snow_lady [41]2 years ago

3 0

A liquid becomes a solid when energy is removed. The energy content decreases, and the speed of the particles decrease.

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Period T= time of one revolution measured in seconds

ser-zykov [4K]

60 RPM equals one hertz (i.e., one revolution per second, or a period of one second). The SI unit for period is the second.

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2 years ago

Does a stone lying on the ground have stored energy

Vesnalui [34]

Yes, It has a stored energy in that stone.

7 0

3 years ago

n 38 g rifle bullet traveling at 410 m/s buries itself in a 4.2 kg pendulum hanging on a 2.8 m long string, which makes the pend

Kitty [74]

Answer:

68cm

Explanation:

You can solve this problem by using the momentum conservation and energy conservation. By using the conservation of the momentum you get

$p_f=p_i\\mv_1+Mv_2=(m+M)v$

m: mass of the bullet

M: mass of the pendulum

v1: velocity of the bullet = 410m/s

v2: velocity of the pendulum =0m/s

v: velocity of both bullet ad pendulum joint

By replacing you can find v:

$(0.038kg)(410m/s)+0=(0.038kg+4.2kg)v\\\\v=3.67\frac{m}{s}$

this value of v is used as the velocity of the total kinetic energy of the block of pendulum and bullet. This energy equals the potential energy for the maximum height reached by the block:

$E_{fp}=E_{ki}\\\\(m+M)gh=\frac{1}{2}mv^2$

g: 9.8/s^2

h: height

By doing h the subject of the equation and replacing you obtain:

$(0.038kg+4.2kg)(9.8m/s^2)h=\frac{1}{2}(0.038kg+4.2kg)(3.67m/s)^2\\\\h=0.68m$

hence, the heigth is 68cm

4 0

2 years ago

During baseball practice, a batter hits a high flyball, and then runs in a straight line and catches it. which has the greater a

Jlenok [28]

They have the same velocity because their displacements (shortest line from point A to point B, which is a straight line) are the same and they meet at the same time.

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2 years ago

Read 2 more answers

Do all planets orbit the sun in the same direction

horsena [70]

Answer:

Explanation:

All planets are different than others and bigger so that means no

8 0

2 years ago