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Rufina [12.5K]
4 years ago
12

Tim is given a new quantity called Electrical Current. Which of the following questions could Tim ask to determine whether the q

uantitiy is a vector or a scalar?
O A Who discovered electric current?
O B. What are the base units of electric current?
OC. What is the symbol for electric current?
O D. Does electric current have a direction?
Physics
1 answer:
uysha [10]4 years ago
4 0

Answer:

B. What are the base units of electric current?

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anzhelika [568]

Answer:

The compression ratio is 10

Explanation:

Given

V_d = 450cm^3 --- swept volume

V_c = 50cm^3 --- compression volume

Required

Determine the compression ratio (CR)

This is calculated as:

CR = \frac{V_d + V_c}{V_c}

CR = \frac{450+50}{50}

CR = \frac{500}{50}

CR = 10

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3 years ago
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What’s the difference between applied and pure research
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Answer:

Pure research is conducted without any specific goal in mind. Applied research is conducted in order to solve a specific and practical problem, unlike pure research. Hope this helped.

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3 years ago
A tree is blank relative to earth a tree is blank relative to the sun
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4 years ago
f a wave has a wavelength of 9 meters and a period of 0.006, what is the velocity of the wave? A. 1,200 m/s B. 1,500 m/s C. 1,80
GalinKa [24]

Answer: 1500 m/sec. ( b )

Solution:

V= f (λ)

Speed = frequency. Wavelength  

And frequency = 1/time period

First we will find the frequency :

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Using this in the equation:

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V (Speed) = 1500 m/s.

Note: Do not forget to mention the units or otherwise they may cost you marks!


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