3 years ago

A good way to de-magnetize something is to

Physics

2 answers:

FromTheMoon [43]3 years ago

8 0

Answer:

B. place it in a magnetic field

Ipatiy [6.2K]3 years ago

5 0

Answer:heat it

Explanation:

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A long point-object, mass = 1.0 kg, moves in a circular path at a radial distance = 0.5 m from the axis of rotation. What is the

Vinvika [58]

Answer: $0.25\ kg-m^2$

Explanation:

Given

mass of Point object $m=1 kg$

Distance $r=0.5 m$

Since mass is moving in circular path therefore every time mass is at distance of r from center .

Also Moment of Inertia tells about the distribution of mass over the given region with respect to center of mass.

Therefore $I=mr^2$

$I=1\times 0.5^2$

$I=0.25\ kg-m^2$

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3 years ago

Which answer best explains why the contents of a warm can of carbonated drink might rush out of the can faster than the contents

Flura [38]

Answer:

its A

Explanation:

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3 years ago

Which of the following is a vector quantity (a)mass (b)speed (c)time (d)acceleration

rusak2 [61]

(d) Acceleration is a vector quantity

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3 years ago

Anna Litical is practicing a centripetal force demonstration at home. She fills a bucket with water, ties it to a strong rope, a

dlinn [17]

Answer:

Explanation:

Suppose when bucket is half full it has a mass of 2 m rotating in a circle of radius r

When Bucket is quarter full then it has a mass of m rotating in a circle of radius r.

When an object moves in a circular path then it experiences an inward force which is given by

$F_1=\frac{2mv^2}{r}$

where v=velocity of bucket

Force in case 2 is given by

$F_2=\frac{mv^2}{r}$

Thus $F_1=2F_2$

therefore force required in half bucket is more than force required in quarter bucket full.

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3 years ago

How do you explain newton’s second law

lana [24]

Answer:

Newton's second law of motion can be formally stated as follows: The acceleration of an object as produced by a net force is directly proportional to the magnitude of the net force, in the same direction as the net force, and inversely proportional to the mass of the object.

Explanation:

Hope you get it right!

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2 years ago