Whales
Quails
Trails Its a physical property
Answer:
Only two diffraction orders +1 and -1 are possible
Explanation:
The diffraction net is a system with many uniformly spaced lines, which is described by the expression
d sin θ = m λ m = 1, 2, 3,…
Where d is the spread between the lines, λ the wavelength and m is an integer that corresponds to the order of diffraction, all wavelengths
For this case the spacing is
d = 775 nm
The sodium emission lines are 589.00 nm and 589.59 nm
With this data we can calculate how many diffraction orders are visible
θ = sin⁻¹ (m λ / d)
m = 1
λ1 = 589.00 nm
θ1 = sin⁻¹ (1 589/775)
θ1 = 49.46 °
λ2 = 589.59 nm
θ2 = sin⁻¹ ((1 589.59 / 775)
θ2 = 49.53 °
m = 2
λ1 = 589.00 nm
θ1 = sin⁻¹ (2 589/775)
θ1 = sin⁻¹ (1.5)
This order is not possible because the sin cannot be greater than 1
m = -1
λ1 = 589 nm
θ1 = sin⁻¹ (-1 589/775)
θ1 = -49.46
θ= sin⁻¹ ( -1 589.59/775)
λ2 = 589.59 nm
θ2 = -49.53 °
m = -2
λ1 = 589 nm
θ1 = sin-1 (-2 589/775)
This order does not occur because the breast cannot be greater than 1
Only two diffraction orders +1 and -1 are possible
Answer:
maybe the rear wheel axel rusted not sure
Answer:
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The average force is -2600 N
Explanation:
First of all, we need to calculate the acceleration of the man during the collision, which is given by the suvat equation:
where:
v = 0 is his final velocity (he comes to a stop)
u = 4.0 m/s is the initial velocity
a is the acceleration
s = 0.20 m is the distance covered
Solving for a,
The negative sign indicates that it is a deceleration.
Now we can find the average force on the man by using Newton's second law of motion:
where
m = 65 kg is the mass
And substituting,
where the negative sign indicates the force is in the direction opposite to the motion.
Learn more about force and Newton's second law:
brainly.com/question/3820012
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