2 years ago

30. The slope of a velocity-time graph will give

Physics

1 answer:

CaHeK987 [17]2 years ago

5 0

Answer:

The acceleration

Explanation:

The slope of velocity time graph is the acceleration

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A diffraction pattern forms when light passes through a single slit. The wavelength of the light is 691 nm. Determine the angle

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Explanation:

Given that,

Wavelength of the light, $\lambda=691\ nm=691\times 10^{-9}\ m$

(a) Slit width, $a=3.8\times 10^{-4}\ m$

The angle that locates the first dark fringe is given by :

$sin\theta=\dfrac{\lambda}{a}$

$sin\theta=\dfrac{691\times 10^{-9}}{3.8\times 10^{-4}}$

$\theta=0.104^{\circ}$

(b) Slit width, $a=3.8\times 10^{-6}\ m$

The angle that locates the first dark fringe is given by :

$sin\theta=\dfrac{\lambda}{a}$

$sin\theta=\dfrac{691\times 10^{-9}}{3.8\times 10^{-6}}$

$\theta=10.47^{\circ}$

Hence, this is the required solution.

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3 years ago

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Answer:

1. Airplane

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kaheart [24]

Answer:

19.01 N

Explanation:

F = Force being applied to the crate = 45 N

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Horizontal component of force is given by

$F_x=F\cos\theta\\\Rightarrow F_x=45\times \cos65^{\circ}\\\Rightarrow F_x=19.01\ \text{N}$

The horizontal component of the force acting on the crate is 19.01 N.

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Dilation and Translation

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Where the force is not perpendicular to the path of motion

are you missing the the situations ?

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