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zhuklara [117]
3 years ago
11

Scott travels north 3 Km and then goes west 3 Km before coming straight

Physics
1 answer:
den301095 [7]3 years ago
6 0

Answer:

3km,W This is because from the diagram.

moving to the North to the west and to the south with the same distance

Will be same as

3km,W

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Help me rearrange this formula. <br><br>I've been trying but I can't remember how to do it.​
NikAS [45]

-- Multiply each side of the formula by 2

-- Then divide each side by t

-- Then subtract V(i) from each side.

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3 years ago
Question 3 - If Julia starts out at rest, and in 13 s speeds up to 75 m/s, what is her acceleration?
Hitman42 [59]

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Explanation:

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When light passes from air into water at an angle of 60° from the normal, what is the angle of refraction? (40.6°)
matrenka [14]

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Explanation:

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If the retina is 1.7 cm from the lens in the eye, how large is the image on the retina of a person of height 1.5 m standing 9.0
sineoko [7]

Answer:

The image height is 0.00283 m or 0.283 cm and is inverted due to the negative sign

Explanation:

u = Object distance =  9 m

v = Image distance = 1.7 cm (as the image is forming on the retina)

h_u= Object height = 1.5 m

Magnification

m=-\frac{v}{u}=\frac{h_v}{h_u}\\\Rightarrow -\frac{v}{u}=\frac{h_v}{h_u}\\\Rightarrow -\frac{0.017}{9}=\frac{h_v}{1.5}\\\Rightarrow h_v=-0.00283\ m

The image height is 0.00283 m or 0.283 cm and is inverted due to the negative sign

4 0
3 years ago
A very light ideal spring having a spring constant (force constant) of 8.2 N/cm is used to lift a 2.2-kg tool with an upward acc
vampirchik [111]

Answer:

x = 3.5 cm

Explanation:

When spring is used as a lift tool

so the mass suspended on it will have spring force on it

So as per the force equation of mass we can say

F_{net} = ma

now net force on the mass is

F_{net} = kx - mg

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here we have

kx = mg + ma

now we have

x = \frac{mg + ma}{k}

x = \frac{2.2(9.8) + 2.2(3.25)}{8.2}

x = 3.5 cm

6 0
3 years ago
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