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Ann [662]
3 years ago
14

Help me slove this problem 115 divided by 2

Physics
2 answers:
zhenek [66]3 years ago
4 0
115 divided by 2 equals 57.5
Umnica [9.8K]3 years ago
4 0
115 divided by 2 equals 57.5.
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An electron initially has a speed 16 km/s along the x-direction and enters an electric field of strength 27 mV/m that points in
weqwewe [10]

Answer:

a)t=1.4\times 10^{-5}\ s

b)S= 46.4 cm

Explanation:

Given that

Velocity = 16 Km/s

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E= 27 mV/m

E=0.027 V/m

d= 22.5 cm

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a)

lets time taken by electron is t

d = V x t

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b)

We know that

F = m a = E q                    ------------1

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So now by putting the values in equation 1

a=\dfrac{E q}{m}

a=\dfrac{1.6\times 10^{-19}\times 0.027}{9.1\times 10^{-31}}\ m/s^2

a=4.74\times 10^{9}\ m/s^2

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Here initial velocity u= 0 m/s

S= \dfrac{1}{2}\times 4.74\times 10^{9}\times (1.4\times 10^{-5})^2\ m

S=0.464 m

S= 46.4 cm

S is the deflection of electron.

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