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Fittoniya [83]
2 years ago
15

The deflection angle of the laser beam as it exits the prism is 22. 6º. If the prism had been made of glass instead of polystyre

ne plastic, what would the deflection angle have been?.
Physics
1 answer:
Elis [28]2 years ago
3 0
Need help on this as well!!!!
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Find the distance traveled in one back-and-forth swing by the weight of a 12 in. Pendulum that swings through a 75 degree angle.
tia_tia [17]

The distance traveled by pendulum, in one back-and-forth swing is 75.75 inches.

The period of pendulum can be calculated by

T = 2\pi \sqrt {\dfrac Lg}

Where,

T - period

L - length = 12 inches

g- gravitational acceleration  = \bold {9.8\rm \ m/s^2}

Put the values,

T = 2\pi \sqrt {\dfrac {12}{9.8}}\\\\T = 2 \times 3.14 \times \sqrt {0.122}\\\\T = 2.191

Now, the angular displacement of the pendulum can be calculated by,

\theta = A\times\rm \  cos(\omega T)

Where,

A- amplitude

\theta - angle  = 75^o

\omega - angular displacement = 2\pi/T = 2.866 m

Put the values and calculate for \omega,

75 = A\times{\rm \  cos}(2.866\times 2.191)\\\\75 =A \times cos\ 6.26\\\\A =\dfrac {75}{0.99}\\\\A = 75.75 \rm \ inches

Therefore, the distance traveled by pendulum, in one back-and-forth swing is 75.75 inches.

To know more about Amplitude of pendulum,

brainly.com/question/14840171

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3 years ago
Which term describes the light-sensitive structures found on the retina?
miss Akunina [59]
The answer would be 
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65 Points! 9 Questions!
alekssr [168]

Answer:

energy : the ability to cause change

work : is force x distance or when an object moves a distance due to a specific force (measured in units of newtons-meters)

potential energy  : is stored energy

kinetic energy : is energy in motion

mechanicle energy : the energy of motion such as a moving vechile

thermal energy : total kinetic energy in moving partsticles, like in boiling water (energy of heat)

chemical : energy stored in chemical bonds, like in plants

electromagnetic : waves with electric and magnetic properties , such as light

nuclear energy : energy stored in the nuclear atoms

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4 years ago
The energy transfer diagram represents the energy of a light bulb.
Nikolay [14]

The answer is 80 J of electrical energy

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3 years ago
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When x rays are passed through successive aluminium sheets, their hardness ___.
Sidana [21]

Answer:

decreases

Explanation:

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3 years ago
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