3 years ago

What is the shortest distance between two points

Physics

1 answer:

White raven [17]3 years ago

7 0

Answer: displacement

Explanation:

According to the definition of displacement it is the shortest distance between two points.

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Concave mirror ______the rays of light

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Answer: A concave mirror focuses rays of light

Explanation:

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3 years ago

Supongamos que a su mamá se le rompió sus espejuelos para leer. El punto de acercamiento (near point) del ojo de su mamá se encu

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3 years ago

With the aid of a suitable diagram, explain what is meant by an electromagnetic wave.

suter [353]

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Explanation:

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3 years ago

A man can walk three blocks east and four blocks north in 20 min. He can drive 12 times that distance in the same amount of time

skad [1K]

Answer: 25.2 km

<u>Explanation:</u>

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4 0

3 years ago

A car travels along a horizontal road which is an arc of radius 125m. the greatest speed at which the car can travel without sle

hammer [34]

The coefficient of friction between the Tyre and the ground is 0.11

<u>Explanation:</u>

Given:

Radius of the track (r)=125 m.

Speed with which the car travels (v) =42 km/hr

=11.67 m/s

To Find:

Coefficient of friction between the Tyre and the ground.

Formula to be used:

$Centripetal\ force\ Fc= mv^2/r\\\\=m\times 11.67^2/125\\\\=1.08 m$

We know that,Frictional force is equal to centripetal force

Frictional force=μmg

therefore 1.08 m=μmg

Cancelling "m" on both sides we get,

μ=1.08/g=1.08/9.8

=0.11

Thus the coefficient of friction between the Tyre and the ground is 0.11

7 0

3 years ago