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lawyer [7]
4 years ago
12

What happens to dry ice when its temperature rises

Physics
1 answer:
luda_lava [24]4 years ago
8 0
Unlike the ice cubes in a cold drink , dry ice doesn't melt to become liquid at all. Instead, at room temperature, it changes directly from a solid to a gas a process called sublimation . This expansion causes a rapid temperature drop, and some of the carbon dioxide freezes into solid pellets of dry ice.
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For your senior project, you would like to build a cyclotron that will accelerate protons to 10% of the speed of light. The larg
timama [110]

Answer:

The magnetic field strength, B is 1.043 T.

Explanation:

The expression for the magnetic field is as follows as;

B=\frac{mv}{qr}

Here, m is the mass, r is the radius, v is the speed, q is the charge and B is the magnetic field.

According to the given problem, you would like to build a cyclotron that will accelerate protons to 10% of the speed of light.  The largest vacuum chamber you can find is 60 cm in diameter.

v= 10% of the speed of the light

v=\frac{10}{100}\times3\times10^{8}ms^{-1}

v=3\times10^{7}ms^{-1}

r=\frac{Diameter}{2}

r=\frac{60}{2} cm

r=0.30 m

Calculate the magnetic field strength.

B=\frac{mv}{qr}

Put v=3\times10^{7}ms^{-1}, m=1.67\times10^{-27}ms^{-1} kg, q=1.6\times10^{-19}C and r=0.30 m.

B=\frac{(1.67\times10^{-27})(3\times10^{7})}{(1.6\times10^{-19})(0.30)}

B= 1.043 T

Therefore, the magnetic field strength is 1.043 T.  

6 0
3 years ago
What is the momentum of a 12,000 kg car moving at a speed of 40 m/s?
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Answer:

Explanation:

D

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