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sasho [114]
3 years ago
5

A certain oscillator satisfies the equation of motion Initially the particle is at

Physics
1 answer:
Flura [38]3 years ago
7 0

Answer:

in simple harmonic motion, the formula for finding amplitude is:

a = -ω^2 x

where, a=amplitude, ω= angular frequency, x= Displacement

Explanation:

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Here is the main thing is medium. In the free boundary wave face the air medium, but in a fixed boundary wave face different medium. The change of medium effect on the change of the reflection of wave.

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If you take a bar magnet with both n & s poles and cut it in half, you get
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1.After striking the ball, it is important to ______.
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1=A 2=3 3=Badmintion

Explanation:

I think I'm correct on these

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3 years ago
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We wish to obtain a equal sized inverted image of a candel flame on a screen kept at a distance of 4m from the candle flame a) n
soldier1979 [14.2K]

A) To obtain an inverted image of an object of same size a convex lens is used.

B)

In this question we have given

Distance between candle flame and screen=4

it means distance between candle flame and lens +distance between lens and screen =4m

u+v= 4m

u= v

therefore, 2u= 4m

or, u=-2m              ( u is taken negative because it lies on left side of the lens)

and v=2m

we have to find the focal length of convex lens

\frac{1}{f}  =  \frac{1}{v}   -  \frac{1}{u}\frac{1}{f}  =  \frac{1}{2} - ( -  \frac{1}{2} ) \\  \frac{1}{f}  = \frac{1}{1}\\ f = 1m

Hence, Focal length of the lens is 1m

and lens should be placed at a distance of 2m from the flame

4 0
3 years ago
A motorboat heads due east at 16 m/s across a river that flows due south at 9.0 m/s. a.) What is the resultant velocity of the b
alukav5142 [94]

Answer:

a)V=18.35 m/s (South -East)

b) t =7.41 m/s

c)D= 66.70 m

Explanation:

Given that

Velocity of boat in east direction = 16 m/s

Velocity of river = 9 m/s

a)The resultant velocity V

V=\sqrt{16^2+9^2}\ m/s

V=18.35 m/s (South -East)

b)

We know that

Distance = Velocity x time

Lets t time takes to cross the river

136 = 18.35 x t

t =7.41 m/s

c)

   The distance covered downstream  

We know that

Distance = Velocity x time

t= 7.41 s

D= 7.41 x 9 m

D= 66.70 m

3 0
3 years ago
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