3 years ago

What causes a material to be classified as ferromagnetic?

Physics

1 answer:

denpristay [2]3 years ago

4 0

Answer:

A material displaying ferromagnetism, such as the various forms of iron, steel, cobalt, nickel, and their alloys.

Explanation:

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Answer:

Option B) Speed is the answer.

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3 years ago

explain y it is easier to loosen a tight but using a spanner with along handle than with a short handle

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This is because using a long handled requires less force to the center of gravity and makes it easier to rotate than a short handled spanner

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3 years ago

A projectile has an initial horizontal velocity of 15 meters per second and an initial vertical velocity of 25 meters per second

Artyom0805 [142]

Answer:

75 m

Explanation:

The horizontal motion of the projectile is a uniform motion with constant speed, since there are no forces acting along the horizontal direction (if we neglect air resistance), so the horizontal acceleration is zero.

The horizontal component of the velocity of the projectile is

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and it is constant during the motion;

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Therefore, we can apply the formula of the uniform motion to find the horizontal displacement of the projectile:

$d= v_x t =(15 m/s)(5 s)=75 m$

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3 years ago

Work done by a gravitational force by lowering the bucket into the well is

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Answer:

when we lower a bucket into a well to fetch water, the work done by gravity is positive since force and displacement are in the same direction.

Explanation:

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3 years ago

Can someone please help with this. "A ball is thrown vertically upward with a speed of 26.6 m/s. How high does it rise? The acce

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v^2=u^2+2as

0=26.6^2-2x9.8xs

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