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3 years ago

Question 6 (15 points)

Physics

1 answer:

aleksandrvk [35]3 years ago

3 0

Answer:

that would be newtons 3rd law

Explanation:

because its how it is

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In a certain two slit diffraction experiment, two slits 0.02mm wide are spaced0.2mm between centers.(a) How many fringes appear

Kamila [148]

Answer:

a) m = 10 and b) λ = 3.119 10⁻⁷ m

Explanation:

In the diffraction experiments the maximums appear due to the interference phenomenon modulated by the envelope of the diffraction phenomenon, for which to find the number of lines within the maximum diffraction center we must relate the equations of the two phenomena.

Interference equation d sin θ = m λ

Diffraction equation a sin θ = n λ

Where d is the width between slits (d = 0.2 mm), a is the width of each slit (a = 0.02 mm). θ is the angle, λ the wavelength, m and n are an integer.

Let's find the relationship of these two equations

d sin θ / a sin θ = m Lam / n Lam

The first maximum diffraction (envelope) occurs for n = 1, let's simplify

d / a = m

Let's calculate

m = 0.2 / 0.02

m = 10

This means that 10 interference lines appear within the first maximum diffraction.

b) let's use the interference equation, remember that the angles must be given in radians

θ = 0.17 ° (π rad / 180 °) = 2.97 10⁻³ rad

d sin θ = m λ

λ = d sin θ / m

λ = 0.2 10⁻³ sin (2.97 10⁻³) / 2

λ = 3.119 10⁻⁷ m

8 0

3 years ago

Change 60cmHg to pascal

xenn [34]

Answer:

1cmhg= 1333.22pa

60cmhg= 60×1333.22

60cmhg=79993.2pa

3 0

3 years ago

An astronaut on a strange planet finds that she can jump a maximum horizontal distance of 14.0 m if her initial speed is 2.20 m/

pochemuha

We have the equation of motion

$v^2 = u^2+2as$ , where v is the final velocity, u is the initial velocity, a is the acceleration and s is the displacement.

In this case initial velocity = 2.20 m/s, final velocity = 0 m/s, displacement = 14 m

On substitution we will get 0 = $2.20^2+2*a*14$

On solving we can find the acceleration value as -0.173 $m/s^2$

So free fall acceleration = 0.173 $m/s^2$

3 0

3 years ago

A ball is launched directly in the air at a speed of 40 feet per second from a platform located 10 feet in the air. The motion o

crimeas [40]

Answer:

The ball will hit the ground in 2.73 s

Explanation:

Hi there!

f(t) is the height of the ball at time "t". We need to find the value of "t" for which f(t) = 0.

f(t) = 0 Then:

-16 · t² + 40 · t + 10 = 0

Solving the quadratic equation using the quadratic formula (a = -16, b = 40, c = 10):

t = -0.23 s and t = 2.72 s

Since time can´t be negative, be discard that value.

The ball will hit the ground in 2.73 s.

Have a nice day!

8 0

3 years ago

The planet Mercury takes 0.24 sidereal years to go around the sun. What is the distance from the center of Mercury to the center

lyudmila [28]

Answer:

5.77×10¹⁰ m

Explanation:

From the question,

Applying

Kepler's third law

P² = d³...................... Equation 1

Where P = Planet's period, d = distance between the center of the planet and the sun.

make d the subject of the formula n equation 1

d = $\sqrt[3]{P^{2} }$ .................. Equation 2

Given: P = 0.24 sidereal.

Substitute the value of P into equation 2

d = $\sqrt[3]{0.24^{2} }$

d = 0.386 Au

d = 0.386×1.496×10¹¹

d = 5.77×10¹⁰ m

6 0

3 years ago