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Anna71 [15]
3 years ago
14

Make the following conversion.

Physics
2 answers:
anastassius [24]3 years ago
4 0
The answer is 0.00230 cm
trapecia [35]3 years ago
3 0

Answer:

Option B. 0.0230 mm = 0.00230 cm.

Explanation:

A millimeter is a unit of length in the metric system that is equivalent to one- thousand of a meter. the centimeter is also a unit of length in the metric system, that is equal to one-hundredth of a meter. Therefore. 1 cm is equal to 10 mm. to convert millimeters into centimeters you need to divide the number of millimeters by 10. In this case, 0.230 divided by 10 is equal to 0.00230.

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3 years ago
A photon of wavelength 192 nm strikes an aluminum surface along a line perpendicular to the surface and releases a photoelectron
alex41 [277]

Answer:

KE=3.529\times10^{−27}\ J

Explanation:

Given that

Wavelength λ=192 nm

So energy of photon,E

E=\dfrac{hC}{\lambda }

Now by putting the values

h=6.6\times 10^{-34}\ m^2.kg/s

C=3\times 10^{8}\ m/s

E=\dfrac{6.6\times 10^{-34}\times 3\times 10^{8}}{192\times 10^{-9} }

E=1.03\times 10^{-18} J

We know that

Kinetic energy given as

KE=\dfrac{P^2}{2m}

KE=\dfrac{E^2}{2mC^2}

KE=\dfrac{(1.03\times 10^{-18})^2}{2\times 1.67\times 10^{-27}(3\times 10^8)^2}

KE=3.529\times10^{−27}\ J

5 0
3 years ago
Calculate the displacement of a motorcycle that accelerates forward from rest to 7.0 m/s in 3.5 s.
Harrizon [31]

Answer:

12.25 meters

Explanation:

s=1/2(v+u)t

s= displacement

v= final velocity

u= initial velocity

t= time

7m/s+0m/s divide by 2= 3.5 m/s velocity  Times 3.5 seconds=  12.25 meters

3 0
2 years ago
How do the following factors affect the resistance of a wire?
Alborosie
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