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4 years ago

Stress is __________.

1 answer:

Rudiy274 years ago

8 0

A health book will define stress as “The reaction of the body and mind to everyday challenges and demands”

Stress is normal.

Stress is a feeling that can make you feel anger frustrated or even upset. Stress can be caused by negativity around you a lot you’re having to deal with or even nervousness.

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The distance between Miami and Oriando is about 220 miles .A pilot flying from

krok68 [10]

100/1=x/0.985, 98.5=x. So the distance from Orlando is 220-98.5=121.5miif he adjusts, he has 98.5 miles more to do, plus 121.5 miles he already did, the flight is 1.25 mi farther

6 0

4 years ago

The force of attraction that a -40.0 μC point charge exerts on a +108 μC point charge has magnitude 4.00 N. How far apart are th

Karolina [17]

Answer:

F = k q1 q2 / r^2

r^2 = k q1 q2 / F = 9E9 * 4E-5 * 10.8E-5 / 4

r^2 = 9 * 4 * 10.8 / 4 * E-1 = 9.72 m^2

r = 3.12 m

8 0

3 years ago

What's the most often given a value of zero to describe an object position on a straight line

Yanka [14]

B. The reference point is the 0 of a straight line description. Left of it would be negative and right of it would be positive.

8 0

3 years ago

Read 2 more answers

A 325 g object attached to a horizontal spring moves in simple harmonic motion with a period of 0.220 s. The total mechanical en

My name is Ann [436]

Answer:

Explanation:

Total mechanical energy = 1/2 m ω²A² where ω is angular frequency and A is amplitude .

Given

1/2 m ω²A² = 5.46

ω²A² = 2 x 5.6 / m

= 2 x 5.6 / .325

= 34.46

ωA = 5.87

maximum speed = ωA = 5.87 m /s

B )

angular frequency = 2π / T , T is period of oscillation .

= 2 x 3.14 / .22

= 28.54 s⁻¹

ω = $\sqrt{\frac{k}{m} }$

k is force constant and m is mass

$28.54=\sqrt{\frac{k}{.325} }$

k = 264.72 N/m

ωA = 5.87

28.54 X A = 5.87

A = .2056 m

= 20.56 cm .

6 0

3 years ago

An individual white LED (light-emitting diode) has an efficiency of 20% and uses 1.0 W of electric power. a. How many LEDs must

Neporo4naja [7]

Answer:

8, 8 W

Explanation:

The useful power of 1 Light Emitting Diode is

$0.2\times 1=0.2\ W$

Total power required is 1.6 W

Number of Light Emitting Diodes would be

$n=\dfrac{1.6}{0.2}\\\Rightarrow n=8$

The number of Light Emitting Diodes is 8.

Power would be

$P=8\times 1=8\ W$

The power that is required to run the Light Emitting Diodes is 8 W

7 0

4 years ago