Homework Answers
ANSWER
From theory of Archimedes' Principle we know that the answer is,
c. a force equal to the weight of the iceberg
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An iceberg is partly immersed, as it floats in the ocean. It is buoyed up by...
Since Moon is attracted to Earth, why doesn't it fall onto Earth? because it has large...
Since Moon is attracted to Earth, why doesn't it fall onto Earth? because it has large tangential velocity because there is another equal force on the Moon that balances gravity because centrifugal force balances gravity because centrifugal force more than balances gravity because it has too much inertia to fall towards Earth A. Ocean tides occur mainly because water always runs to the low spot water always runs to the side of the Earth away from the Moon B. water...
Which of the following statements about completely submerged objects resting on the ocean bottom is correct?...
Which of the following statements about completely submerged objects resting on the ocean bottom is correct? Select one: a) The displaced volume of fluid is greater than the volume of the object. b) The weight fo the object and the buoyant force are equal and opposite. c) The buoyant force acting on the object is equal to the object's weight. d) The apparent weight of the object depends on the object's density Which of the following is not correct about...
Weight on Earth (lbs.) : 600N or 132lb Calculate the gravitational force you feel at the following places. Show your work. (a)500 km above the surface of Europa. (b)At the surface of Europa. (c)Insid...
Weight on Earth (lbs.) : 600N or 132lb
Calculate the gravitational force you feel at the
following places. Show your work.
(a)500 km above the surface of Europa.
(b)At the surface of Europa.
(c)Inside the tunnel, half-way through the ocean
layer.
(d)At the bottom of the tunnel.
(e)Evaluate the prediction you made earlier. Did the
gravitational force change as you expected? Explain.
You get back in your space shuttle to continue on your trip. Your next stop is Jupiter you've...
A block of Styrofoam and a block of lead are the same size. When dropped in...
A block of Styrofoam and a block of lead are the same size. When dropped in water, the Styrofoam floats while the lead block sinks. 1. Which block displaces more water? -More information needed -Same for both -Styrofoam -Lead 2. Which block experiences more buoyant force? -More information needed -Same for both -Styrofoam -Leas 3. The bouyant force on the Styrofoam block must be ________ its weight. -Greater than -Less than -Equal to -Unrelated to 4. The bouyant force on...
3. Archimedes' Principle states that the buoyant force on an object partially or fully submerged in...
3. Archimedes' Principle states that the buoyant force on an object partially or fully submerged in a fluid is equal to the weight of the fluid that the object displaces. For an object of density po floating partly submerged in a fluid of density pf, the buoyant force is given by F P19 SA(y)dy, where g is the acceleration due to gravity and A(y) is the area of a typical cross-section of the object. The weight of the object is...
Please don't forget Part B. 3. A wooden cube floats on water as shown in the figure. A small force is applied from the top pushing it down by a distance xo and then released. The block is obse...
Please don't forget Part B.
3. A wooden cube floats on water as shown in the figure. A small force is applied from the top pushing it down by a distance xo and then released. The block is observed to bob up and down. After 100 bobs, the amplitude dies down to 10% of the initial displacement xo Let A- Area of face, h- submerged depth and x-0 at the water surface (see Fig) wood block water a) Ignoring the...
Ideal Fluid - The Ocean. Water is much less compressible than air. This means that the...
Ideal Fluid - The Ocean. Water is much less compressible than air. This means that the density of water (~1gm/cm3 or 1000 kg/m3) does not change very much with increasing pressure. This means that as you go deeper in the ocean the mass of water above you is just proportional to depth that you descend. Assuming that you can neglect the small change in gravitational acceleration with depth, show (so that a non-science major friend could follow - do not...
[20 points] Two identical blocks are pushed up frictionless ramps as shown. Consider the portion of...
[20 points] Two identical blocks are pushed up frictionless ramps as shown. Consider the portion of the motion of block 1 during which it moves a distance L1, and the portion of the motion of block 2 during which it moves a distance L2. Each block is displaced the same vertical distance Z. The hand pushes parallel to the incline with the same magnitude of force FBH in both cases. Block 1 moves with constant speed Ramp Ramp 2 A....
[20 points] Two identical blocks are pushed up frictionless ramps as shown. Consider the portion of...
[20 points] Two identical blocks are pushed up frictionless ramps as shown. Consider the portion of the motion of block 1 during which it moves a distance L1, and the portion of the motion of block 2 during which it moves a distance L2. Each block is displaced the same vertical distance Z. The hand pushes parallel to the incline with the same magnitude of force Fbh in both cases. Block 1 moves with constant speed. Ramp 1 Ramp 2...
[20 points) Two identical blocks are pushed up frictionless ramps as shown. Consider the portion of...
[20 points) Two identical blocks are pushed up frictionless ramps as shown. Consider the portion of the motion of block 1 during which it moves a distance L1, and the portion of the motion of block 2 during which it moves a distance L2. Each block is displaced the same vertical distance Z. The hand pushes parallel to the incline with the same magnitude of force Fou in both cases. Block 1 moves with constant speed. Ramp 1 Ramp 2...
Since Moon is attracted to Earth, why doesn't it fall onto Earth? because it has large tangential velocity because there is another equal force on the Moon that balances gravity because centrifugal force balances gravity because centrifugal force more than balances gravity because it has too much inertia to fall towards Earth A. Ocean tides occur mainly because water always runs to the low spot water always runs to the side of the Earth away from the Moon B. water...
Weight on Earth (lbs.) : 600N or 132lb
Calculate the gravitational force you feel at the
following places. Show your work.
(a)500 km above the surface of Europa.
(b)At the surface of Europa.
(c)Inside the tunnel, half-way through the ocean
layer.
(d)At the bottom of the tunnel.
(e)Evaluate the prediction you made earlier. Did the
gravitational force change as you expected? Explain.
You get back in your space shuttle to continue on your trip. Your next stop is Jupiter you've...
3. Archimedes' Principle states that the buoyant force on an object partially or fully submerged in a fluid is equal to the weight of the fluid that the object displaces. For an object of density po floating partly submerged in a fluid of density pf, the buoyant force is given by F P19 SA(y)dy, where g is the acceleration due to gravity and A(y) is the area of a typical cross-section of the object. The weight of the object is...
Please don't forget Part B.
3. A wooden cube floats on water as shown in the figure. A small force is applied from the top pushing it down by a distance xo and then released. The block is observed to bob up and down. After 100 bobs, the amplitude dies down to 10% of the initial displacement xo Let A- Area of face, h- submerged depth and x-0 at the water surface (see Fig) wood block water a) Ignoring the...
[20 points] Two identical blocks are pushed up frictionless ramps as shown. Consider the portion of the motion of block 1 during which it moves a distance L1, and the portion of the motion of block 2 during which it moves a distance L2. Each block is displaced the same vertical distance Z. The hand pushes parallel to the incline with the same magnitude of force FBH in both cases. Block 1 moves with constant speed Ramp Ramp 2 A....
[20 points] Two identical blocks are pushed up frictionless ramps as shown. Consider the portion of the motion of block 1 during which it moves a distance L1, and the portion of the motion of block 2 during which it moves a distance L2. Each block is displaced the same vertical distance Z. The hand pushes parallel to the incline with the same magnitude of force Fbh in both cases. Block 1 moves with constant speed. Ramp 1 Ramp 2...
[20 points) Two identical blocks are pushed up frictionless ramps as shown. Consider the portion of the motion of block 1 during which it moves a distance L1, and the portion of the motion of block 2 during which it moves a distance L2. Each block is displaced the same vertical distance Z. The hand pushes parallel to the incline with the same magnitude of force Fou in both cases. Block 1 moves with constant speed. Ramp 1 Ramp 2...
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