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3 years ago

11

A cube of wood is floating on water. a cube of iron is totally submerged in water. the cubes are equal in volume. which cube has

the greater buoyant force acting on it?

1 answer:

-BARSIC- [3]3 years ago

5 0

The one that's completely submerged is displacing more water, so the buoyant force on it is greater.

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Select the correct answer what is meditation

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3 years ago

Does the orbital period of a planet depend on the mass of the planet or on the mass of the star that it orbits?

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The orbital period of a planet depends on the mass of the planet.

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3 years ago

if a bowling ball hits a wall a force of 6 N, the wall exerts a force of how much back. on the bowling ball

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3 years ago

Which describes a condition of the neritic zone?

Lady_Fox [76]

Answer:

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3 years ago

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two engines are turned on for 763 s at a moment when the velocity of the craft has x and y components of v0x = 6380 m/s and v0y

svet-max [94.6K]

Answer:

Explanation:

Given

initial velocity component of engines is

$v_0_x=6380 m/s$

$v_0_y=6770 m/s$

time period of engine running=763 s

Displacement in $x=4.50\times 10^6$

$y=7.27\times 10^6$

Using $s=ut+\frac{at^2}{2}$ in x and y direction

$x=v_0_x\times t+\frac{at^2}{2}$

$4.50\times 10^6=6380\times 763+\frac{a\times 763^2}{2}$

$4.50\times 10^6-4.86\times 10^6=\frac{a\times 763^2}{2}$

$a=-1.23 m/s^2$

In y direction

$y=v_0_y\times t+\frac{a't^2}{2}$

$7.27\times 10^6=6770\times 763+\frac{a\times 763^2}{2}$

$7.27\times 10^6-5.16\times 10^6=\frac{a\times 763^2}{2}$

$a=7.24 m/s^2$

x component $=-1.23 m/s^2$

y component $=7.24 m/s^2$

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3 years ago

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