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Leona [35]
3 years ago
13

Which two statements correctly describe the role of a semiconductor in a

Physics
1 answer:
KIM [24]3 years ago
7 0

Answer:

It's A and C

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A car increases its velocity from zero to 97 km/h in 8.4 s. What is its acceleration?
ser-zykov [4K]

Answer:

a=\frac{v-u}{t}

v=final velocity =97km/h(change to m/s) =26.9m/s NEVER FORGET TO DO THAT BECAUSE TIME IS GIVEN IN SECONDS

u=initial velocity  0 m/s

t=time 8.4s

a=\frac{26.9-0}{8.4}

a= 3.2m/2^{2}

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3 years ago
Convert 636 g/cm to lbs per foot
Gemiola [76]

636 g/cm would be 42.7372 lb/ft

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The magnitude of the acceleration of gravity, in the International System of Measurements, in an object that falls vertically is
Vinvika [58]

Answer:

option D

Explanation:

the correct answer is option D

acceleration of a body under free fall due to the effect of gravity is the called acceleration due to gravity.

Acceleration due to gravity is a constant value.

According to the International System of Measurements the acceleration due to gravity is 9.81 m/s² when an object falls vertically.

acceleration due to gravity is denoted by 'g'.

8 0
3 years ago
If you move 50 meters in 10 seconds, what is your speed?
IRINA_888 [86]

Answer: <em>5 meters per second (5mps)</em>

Explanation:

<em>Simply take 50 and divide it by 10</em>

<em />\frac{50}{10} =5<em />

3 0
3 years ago
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