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Katena32 [7]
3 years ago
14

Which statement accurately describes the interaction between the poles of two bar magnets

Physics
2 answers:
marin [14]3 years ago
8 0

Answer: North Pole attracts a South Pole

Explanation:

Lorico [155]3 years ago
6 0
I think you forgot to give the options along with the question. I am answering the question based on my knowledge and research. "North and south poles attract each other" is the statement that <span>accurately describes the interaction between the poles of two bar magnets. I hope the answer has helped you.</span>
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A shaving or makeup mirror is designed to magnify your face by a factor of 1.40 when your face is placed 20.0cm in front of it
Dennis_Churaev [7]

Answer:

(a) convex mirror

(b) virtual and magnified

(c) 23.3 cm

Explanation:

The having mirror is convex mirror.

distance of object, u = - 20 cm

magnification, m = 1.4

(a) As the image is magnified and virtual , so the mirror is convex in nature.

(b) The image is virtual and magnified.

(c) Let the distance of image is v.

Use the formula of magnification.

m =-\frac{v}{u}\\1.4=-\frac{v}{-20}\\v =28 cm

Use the mirror equation, let the focal length is f.

\frac{1}{f}=\frac{1}{v}+\frac{1}{u}\\\frac{1}{f}=\frac{1}{28}+\frac{1}{20}\\\frac{1}{f}=\frac{28+20}{560}\\f=11.67cm

Radius of curvature, R = 2 f = 2 x 11.67 = 23.3 cm

5 0
3 years ago
How is sound produced? Name its three<br>characteristics.​
nydimaria [60]

Answer:

1.loudness

2.pitch

3.shrillness

5 0
4 years ago
What unit is kinetic energy measured in?
mote1985 [20]
Centimetres correct yuh
3 0
2 years ago
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Which liquid will evaporate the fastest water salt water pepsi and gatorade?
MArishka [77]
The liquid that will evaporate the quickest would be water. 
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6 0
3 years ago
The thermal expansion of a solid is caused by:
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Answer:

C

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