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horsena [70]
2 years ago
8

Based on Archimedes' principle, we know that if an object displaces a given weight of water, then the object is being buoyed up

by an equal amount of force.
true or false?
Physics
2 answers:
Virty [35]2 years ago
8 0
True. If the amount displaced is more than the mass, it floats. If the amount is less than the mass, it will sink.
user100 [1]2 years ago
7 0

Answer:

The answer is True.

Explanation:

According to the Archimedes' principle, the buoyant force is equal to the submerged volume multiplied by the density of the displaced liquid; This happens because when the body is submerged, the fluid will exert an equal and opposite direction force, due to the change in pressure.

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En un momento dado , la nadadora de una prueba de natación de 100 m espalda está debajo de la cuerda falsa de salida. Indica a)
Virty [35]

Answer:

I only speak English

Explanation:

I'm sorry can you type it in English

7 0
3 years ago
Light is emitted by electrons when they drop from one energy level to a lower level. Which transition results in the emission of
natulia [17]

Answer:

Level 4 to level 2

Explanation:

Electrons in an atom are contained in specific energy levels (1, 2, 3, and so on) having different distances from the nucleus. When light is emitted by electrons from one energy level to a lower level, level 4 to level 2 has the greatest energy.

Hence, the correct option is "Level 4 to level 2".

3 0
3 years ago
For a top player, a tennis ball may leave the racket on the serve with a speed of 55 m/s (about 120 mi/h). If the ball has a mas
inn [45]

Answer:

Yes is large enough

Explanation:

We need to apply the second Newton's Law to find the solution.

We know that,

F= ma

And we know as well that

a= \frac{v}{t}

Replacing the aceleration value in the equation force we have,

F= \frac{mv}{t}

Substituting our values we have,

F= \frac{(0.060)(55)}{4*10^{-3}}

F=825N

The weight of the person is then,

W = mg

W = (60)(9.8) = 558N

<em>We can conclude that force on the ball is large to lift the ball</em>

6 0
2 years ago
PLS HELP IM GOING TO GIVE U BRAINLIST
Hitman42 [59]
Answer : A) nucleons

Protons and neutrons are sometimes collectively called nucleons because they both are inside the nucleus of an atom.
4 0
3 years ago
A constant force of 8.0 N is exerted for 4.0 s on a 16-kg object initially at rest. The change in speed of this object will be:
AfilCa [17]

The change in speed of this object is 3m/s

According to Newton's second law;

F = ma

F = mv/t

Given the following parameters

Force F = 8.0N

mass m = 16kg

time t = 4.0s

Required

speed v

Substitute the given parameters into the formula

v = Ft/m

v = 8 * 6/16

v = 48/16

v = 3m/s

Hence the change in speed of this object is 3m/s

Learn more here: brainly.com/question/19072061

8 0
2 years ago
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