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motikmotik
3 years ago
9

A young child moves an object 6m in 30 seconds, generating 2 watts of power.

Physics
1 answer:
Drupady [299]3 years ago
4 0
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You might be interested in
Light of wavelength 633 nm falls on a single slit 0.5 mm wide and forms a diffraction pattern on a screen 1.0 m away from the sl
andrey2020 [161]

Answer:

The position of the first dark spot on the positive side of the central maximum is 1.26 mm.

Explanation:

Given that,

Wavelength of light is 633 nm.

Slit width, d = 0.5 mm

The diffraction pattern forms on a screen 1 m away from the slit. We need to find the position of the first dark spot on the positive side of the central maximum.

For destructive interference :

\dfrac{dY}{D}=n\lambda

Y is the distance of the minima from central maximum

Here, n = 1

Y=\dfrac{n\lambda D}{d}\\\\Y=\dfrac{1\times 633\times 10^{-9}\times 1}{0.5\times 10^{-3}}\\\\Y=0.00126\ m\\\\Y=1.26\times 10^{-3}\ m\\\\Y=1.26\ mm

So, the position of the first dark spot on the positive side of the central maximum is 1.26 mm.

4 0
3 years ago
An initially stationary object experiences an acceleration of 6 m/s2 for a time of 15 s. How far will it travel during that time
Arisa [49]

Explanation:

Distance = (intial speed)X(Time) + 1/2(acceleration)X(Time) [Third equation of motion]

As initial speed is zero, therefore;

Distance = 1/2(acceleration)X(Time)

              = 1/2 (6 X 15)

              = 1/2 (90)

              = 45 meters

Hence, the object traveled 45 meters.

4 0
4 years ago
Is a lawn mower a drag force OR friction force
dalvyx [7]

Answer:

Pretty sure it's friction force

Explanation:

Because you pretty much just push it I guess

8 0
3 years ago
Type of bacteria that attacks the throat- causing fever sore throat rash
Law Incorporation [45]

Answer:

Streptococcus Pyogenes

Explanation:

Strep throat!

4 0
3 years ago
_________ is a layer of the earth that is classified not by composition
Sidana [21]

Answer:

Asthenosphere

Explanation:

The asthenosphere is a part of the upper mantle just below the lithosphere that is involved in plate tectonic movement and isostatic adjustments.

7 0
3 years ago
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