4 years ago

Drag the tiles to the boxes to form correct pairs.

1 answer:

3 0

From top to bottom:
The moon was formed from the collision between Earth and another Mars-sized body.
The moon was formed from collisions and the combining of planetesimals
The moon was locked into orbit by Earth’s gravity as it was passing by it.
The moon was formed from the same cloud of material as Earth.

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Give reasons: A freely suspended magnet shows N-S poles at rest.

aniked [119]

Answer:

A freely suspended magnet comes to rest along the N-S direction.

Explanation:

-Irrespective of direction of suspension, the bar eventually comes to rest at earth's N-S direction.

-Bar end that points to Earth's north is called the North Pole. Bar end that point's to earth's south is called the South pole.

-The reason for this default positioning is called the Directive Property. This is because earth acts as an external magnetic field.

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4 years ago

Which type of curved mirror uses its inside as the reflecting surface? A. a convex mirror B. a plane mirror C. a virtual mirror

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D. a concave mirror

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3 years ago

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(i) (a) what is the force per meter of length on a straight wire carrying a 9.75 a current when perpendicular to a 0.81 t unifor

Andrew [12]

The force generated by a magnetic field B perpendicular to a wire carrying a current I is
$F=ILB$
where L is the length of the wire.

If we divide both sides for L, we get
$\frac{F}{L}=IB$
where the ratio on the left is the force per meter of length, which is exactly what we want to find. So:
$\frac{F}{L}=IB=(9.75 A)(0.81 A)=7.90 N/m$

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4 years ago

To reduce broadcasts in a lan, the most suitable device is a

Nookie1986 [14]

Wow I have no idea kid............

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3 years ago

When an object is at rest, it might have several forces acting on it. however,?

SSSSS [86.1K]

For the object to be moving, there must be a value for the forces acting on this object in a certain direction to cause the object to move.

On the other hand, when an object is at rest, despite the possibility of having several forces acting on it, these forces balance out to a net force of zero which keeps the body still with no motion.

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3 years ago