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Sloan [31]
3 years ago
10

What is instantaneous speed

Physics
1 answer:
MatroZZZ [7]3 years ago
5 0
What is instaneous speed? When the speed of an object is constantly changing, the instantaneous speed is the speed of an object at a particular 
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Nonrenewable energy resources do not include which of the following?
Tems11 [23]
Hydrogen fuel cells is the answer
8 0
2 years ago
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Light from two lasers is incident on an opaque barrier with a single slit of width 4.0 x 10^-4 m. One laser emits light of wavel
Sergio [31]

Answer:

a) y = 2.4 x 10⁻³ m = 0.24 cm

b) y = 3.2 x 10⁻³ m = 0.32 cm

Explanation:

The formula of Young's Double Slit experiment will be used here:

y = \frac{\lambda L}{d}\\\\

where,

y = distance between dark spots = ?

λ = wavelength

L = distance of screen = 2 m

d = slit width = 4 x 10⁻⁴ m

a) FOR λ = 480 nm = 4.8 x 10⁻⁷ m:

y = \frac{(4.8\ x\ 10^{-7}\ m)(2\ m)}{4\ x\ 10^{-4}\ m}

<u>y = 2.4 x 10⁻³ m = 0.24 cm</u>

<u></u>

a) FOR λ = 640 nm = 6.4 x 10⁻⁷ m:

y = \frac{(6.4\ x\ 10^{-7}\ m)(2\ m)}{4\ x\ 10^{-4}\ m}

<u>y = 3.2 x 10⁻³ m = 0.32 cm</u>

7 0
2 years ago
Kinetic energy depends on the height of an object above the ground?
s344n2d4d5 [400]
Annnnd? Ummmmmmmmmmmmmmm
5 0
3 years ago
A sprinter is running the 100 meter dash at a speed of 24 m/s. How long does it the sprinter to finish?
DerKrebs [107]

Answer:

4.1666666 seconds

Explanation:

100 divided by 24 will give you about 4.1666666 seconds or 4 1/6 seconds. Hope it helps!

6 0
3 years ago
How do you do this?Or what are the formulus
LuckyWell [14K]
You got the formulas on the sheet on the top :) So just use those, exchanging v (as in velocity, expressed in m/s) and the d (in meters) and t (in seconds). Hope you will manage it.
4 0
3 years ago
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