3 years ago

Which of the following is not an activity that will help improve mental/emotional wellness

Physics

1 answer:

marishachu [46]3 years ago

3 0

هفلونهتررغفببذاراتتتااتاتععتتتتتننهننهلبا

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Explanation:

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3 years ago

An electron moving parallel to a uniform electric field increases its speed from 2.0 × 107 m/s to 4.0 × 107 m/s over a distance

jeka94

Answer:

$1.8\times 105 N/C$

Explanation:

We are given that

$u=2\times 10^7 m/s$

$v=4\times 10^7 m/s$

d=1.9 cm= $\frac{1.9}{100}=0.019 m$

Using 1m=100 cm

We have to find the electric field strength.

$v^2-u^2=2as$

Using the formula

$(4\times 10^7)^2-(2\times 10^7)^2=2a(0.019)$

$16\times 10^{14}-4\times 10^{14}=0.038a$

$0.038a=12\times 10^{14}$

$a=\frac{12}{0.038}\times 10^{14}=3.16\times 10^{16}m/s^2$

$q=1.6\times 10^{-19} C$

Mass of electron,m $=9.1\times 10^{-31} kg$

$E=\frac{ma}{q}$

Substitute the values

$E=\frac{9.1\times 10^{-31}\times 3.16\times 10^{16}}{1.6\times 10^{-19}}$

$E=1.8\times 105 N/C$

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3 years ago

H H H O H O N C C N C C H O H H O H H C H H H ALANINE GLYCINE

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2 years ago

How would the plane strain fracture toughness of a metal be expected to change with rising temperature?

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Answer:

Increase

Explanation:

The plane strain fracture toughness of a metal is expected to increase with rising temperature.

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3 years ago

The kinetic energy <br> as the roller coaster goes downhil

Step2247 [10]

Answer:

Increases

Explanation:

The kinetic energy _____ (Increses)

as the roller coaster goes downhill

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1 year ago

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