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CaHeK987 [17]
3 years ago
7

car driving on a circular test track shows a constant speedometer reading of 100 kph for one lap. a. Describe the car's speed du

ring this time. b.
Physics
1 answer:
Annette [7]3 years ago
3 0

Answer:

Speed = 100 km/h

Explanation:

Given:

Speedometer reading = 100 kph for one lap

Assume;

Time taken to complete one lap = 1 hour

Computation:

Speed =  Distance / Time

Speed =  100 / 1

Speed = 100 km/h

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Answer:

The wavelength of light is 4.53\times10^{-7}\ m

Explanation:

Given that,

Angle = 13.1°

Number of slits = 5000

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Diffraction of first order is defined as,

d \sin\theta=n\lambda.....(I)

The separation of the slits

d = \dfrac{1}{N}

d=\dfrac{1}{5000}

d=2\times10^{-6}\ m

Now put the value in equation (I)

2\times10^{-6}\sin13.1^{\circ}=\lambda

Here, n = 1

\lambda=4.53\times10^{-7}\ m

Hence, The wavelength of light is 4.53\times10^{-7}\ m

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3 years ago
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Answer:

Explanation:

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3 years ago
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natali 33 [55]

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6 0
2 years ago
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When do we use v=2s/t and what does that equation mean?
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Explanation:

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a 10 kilogram steel ball is dropped from the top of a tower 100 meters high the kinetic energy of the ball just before it sttike
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