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3 years ago

What is a Super Massive Black Hole?

Physics

1 answer:

Serggg [28]3 years ago

4 0

Answer:

I dont really know much but i know that it swallow anything it comes across in space.

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Momentum is a vector quantity which means it has both ___________________ and _____________

Damm [24]

<span>magnitude and direction</span>

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3 years ago

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Why might political parties prefer closed primaries to open primaries

sweet [91]

In a closed primary, only voters registered with a given party can vote in that party's primary.

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3 years ago

A 1.0-kg block and a 2.0-kg block are pressed together on a horizontal frictionless surface with a compressed very light spring

Lunna [17]

Answer:

statement B is true

Explanation:

since same force is applied by the compressed spring on both masses so their rate of change of momenta must be same and since the lighter block has lesser mass so it must have greater velocity to have an equal change in momentum as of heavier mass.

By relation: $KE=\frac{(mv)^{2} }{2m}$

$KE lighter=\frac{(mv)^{2} }{2(1)}$ , $KEheavier=\frac{(mv)^{2} }{2(2)}$

comparing momenta of above two equations we get

KElighter (2) = KEheavier (4)

KElighter = 2 KEheavier

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4 years ago

Briefly explain the factors that affect the center of gravity.

goldfiish [28.3K]

Answer:

Explanation:

The strength of the gravitational force between two objects depends on two factors, mass and distance. the force of gravity the masses exert on each other. If one of the masses is doubled, the force of gravity between the objects is doubled. increases, the force of gravity decreases.

8 0

3 years ago

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What is the centripetal force acting on a 1.5 kg mass moving in a circular path with a centripetal

zloy xaker [14]

The centripetal force acting on a 1.5 kg mass moving in a circular path is 27N

A centripetal force is a net force acting on an object in order to maintain the object's movement in a circular motion.

According to Newton's first law, it states an object will continue to proceed its movement in a straight line unless acted upon by an external force.

The centripetal force is the external force at work here and It's the net force that propels the object in a circular motion.

Using the formula for calculating centripetal force:

$\mathbf{F_c = mass (m) \times acceleration (a)}$

$\mathbf{F_c = 1.5 \ kg \times18 \ m/s^2}$

$\mathbf{F_c = 27 \ N}$

Learn more about centripetal force here:

brainly.com/question/11324711?referrer=searchResults

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3 years ago