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Irina18 [472]
3 years ago
13

Comparing infrared and ultraviolet, we can say that __________. Comparing infrared and ultraviolet, we can say that __________.

ultraviolet has longer wavelength and lower photon energy ultraviolet has longer wavelength and higher photon energy infrared has longer wavelength and lower photon energy infrared has longer wavelength and higher photon energy
Physics
1 answer:
Arte-miy333 [17]3 years ago
8 0

Answer: Comparing infrared and ultraviolet, ''we can say that infrared has longer wavelength and lower photon energy''

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In a little league baseball game, the 145 g ball enters the strike zone with a speed of 14.0m/s . the batter hits the ball, and
Novosadov [1.4K]

Answer:

5365 N

Explanation:

v = Final velocity = 23 m/s

u = Initial velocity = -14 m/s (opposite direction)

m = Mass of ball = 145 g

t = Time taken = 1 ms

Impulse is given by

J=m(v-u)

Impulse is also given by

J=Ft

Ft=m(v-u)\\\Rightarrow F=\dfrac{m(v-u)}{t}\\\Rightarrow F=\dfrac{0.145\times (23-(-14))}{1\times 10^{-3}}\\\Rightarrow F=5365\ N

The magnitude of the average force exerted by the bat on the ball is 5365 N

8 0
3 years ago
What is the electric flux φ through each of the six faces of the cube? Use ϵ0 for the permittivity of free space?
exis [7]

If total charge Q is enclosed in the surface of cube

then we will have say that total flux linked with all surfaces of the cube will be given by

\phi = \frac{Q}{\epsilon_0}

since the position of charge is symmetric with respect to the center of the cube so here this whole flux will be equally linked with each of the face of the cube

So here total 6 faces of the cube is there and the total flux of the charge will equally divide in these 6 faces

so flux linked with each face is given by formula

\phi = \frac{Q}{6\epsilon_0}

so each face will have above flux due to central position of charge Q

3 0
3 years ago
If we model a blade as a point mass at the midpoint of the blade, what is the inward force necessary to provide each blade's cen
Alex17521 [72]

Answer:

F = 1.2x 10^6 N

Explanation:

The explanation is in the attached file

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3 years ago
Mass of a body is 210g and its density is 7.981g/cm^3 what will be its volume with regard to significant figures
aleksandrvk [35]

Density is mass per unit volume,

\rho=\dfrac mV

so to get the volume, divide the mass by the density,

V=\dfrac m\rho

So the volume is

\dfrac{210\,\mathrm g}{7.981\frac{\rm g}{\mathrm{cm}^3}}\approx26.312\,\mathrm{cm}^3\approx\boxed{26\,\mathrm{cm}^3}

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3 years ago
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BabaBlast [244]

Answer:

what do u need help with

Explanation:

5 0
3 years ago
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