2 years ago

20 miles per hour north is an example of ______

1 answer:

4 0

B. It's an example of velocity due to the fact that it has a measurement of speed, divided by time, and has a specific direction. Acceleration doesn't have any direction on it, but has speed divided by time. C and D have a different mode of measurement despite of the fact that it still needs meters/miles/km.

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Quick! how did Daniel hale Williams contribute to science?

My name is Ann [436]

He preformed the first ever successful open heart surgery

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3 years ago

What is the term for substances that have several unpaired electrons and are strongly magnetic

Murljashka [212]

Answer:

Scientific definitions for ferromagnetic

The property of being strongly attracted to either pole of a magnet. Ferromagnetic materials, such as iron, contain unpaired electrons, each with a small magnetic field of its own, that align readily with each other in response to an external magnetic field.

Explanation:

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3 years ago

What are the two factors that affect the friction force between two surfaces

Masja [62]

Answer:

coefficient of static friction of the surface and the normal force

Explanation:

The coefficient of static friction of the surface and the normal force exerted on the surface given by equation F = μR

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3 years ago

What is the arrangement of the forms of electromagnetic radiation according to their wavelengths?

Svetradugi [14.3K]

Gamma rays then x rays then UVA rays then visible light then IR then radio waves (from highest to lowest frequency).

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3 years ago

Can anyone help ????

user100 [1]

Explanation:

1. serie

2.Red

3.16 ohms

I=V/R

6=V/16

V=16×6

V=96 volts

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3 years ago