Which part of the iceberg displaces water equal in weight to the buoyant force

2 answers:

6 0

Whoa ! Wait a second. The weight of the displaced water
is ALWAYS equal to the buoyant force.

In the case of a floating object ... whether it's an iceberg or
a dead fly ... the part that's under the surface is the part that's
displacing water.

Westkost [7]3 years ago

6 0

The bit that's below the sea level = most of it = part of the reason why the Titanic was "holed below the water line" and thus doomed to sink. Most of a berg is below the water line.

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o-na [289]

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Estimate the radiation pressure due to a bulb that emits 25 W of EM radiation at a distance of 9.5 cm from the center of the bul

MA_775_DIABLO [31]

Given Information:

Power of bulb = w = 25 W atts

distance = d = 9.5 cm = 0.095 m

Required Information:

Radiation Pressure = ?

Answer:

Radiation Pressure =7.34x10⁻⁷ N/m²

Explanation:

We know that radiation pressure is given by

P = I/c

Where I is the intensity of radiation and is given by

I = w/4πd²

Where w is the power of the bulb in watts and d is the distance from the center of the bulb.

So the radiation pressure becomes

P = w/c4πd²

Where c = 3x10⁸ m/s is the speed of light

P = 25/(3x10⁸*4*π*0.095²)

P = 7.34x10⁻⁷ N/m²

Therefore, the radiation pressure due to a 25 W bulb at a distance of 9.5 cm from the center of the bulb is 7.34x10⁻⁷ N/m²

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3 years ago

If you drop a ball off a cliff, it starts out at 0 m/s. after 1 s, it will be traveling at about 10 m/s. if air resistance is re

anastassius [24]

The ball dropped of a cliff will have a final velocity of 19.6 m/s at 2s

The free fall formula and the procedure we will use is:

fv = g* t

Where:

fv = final velocity
g = acceleration due to gravity
t = time taken
h = height traveled

Information of the problem:

g = 9.8 m/s².
t = 2 s
vf = ?

Applying final velocity formula we get:

fv = g* t

fv = 9.8 m/s² * 2 s

fv = 19.6 m/s

It is when the object or mobile falls from a height (h) with a positive acceleration equal to the gravity, describing a vertical rectilinear travel.

Learn more about free fall at brainly.com/question/11257529

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