A ladle, which can be considered to be a hemisphere of radius 2cm, is used to...
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ladle, which can be considered to be a hemisphere of radius 2cm, is
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plz? help sir .......... A transparent glass hemisphere with radius R and mass m has an...
plz? help sir
..........
A transparent glass hemisphere with radius R and mass m has an index of refraction n. In the medium outside the hemisphere, the index of refraction is equal to one. A parallel beam of monochromatic laser light is incident uniformly and normally onto the central portion of its planar surface, as shown in Figure 3. The acceleration of gravity g is vertically downwards. The radius 8 of the circular cross-section of the laser beam is much...
2. Spherical Dipole - The surface charge density on a sphere of radius R is constant, +0, on the entire northern hemisphere, and-oo on the entire southern hemisphere. There are no other charges prese...
2. Spherical Dipole - The surface charge density on a sphere of radius R is constant, +0, on the entire northern hemisphere, and-oo on the entire southern hemisphere. There are no other charges present inside or outside the sphere. (a) (4 pts) Compute the dipole moment of that sphere (with the +z-axis up through the pole of the positive, +Oo, hemisphere). Use the definition of a dipole moment, p-Jr, (7)dr', which in this case becomes p:-:J20(7)dA. Write your final answer...
#4 please A uniform sheet of metal in the shape of a hemisphere of radius 1...
#4 please
A uniform sheet of metal in the shape of a hemisphere of radius 1 m is used as a sign. The hemisphere has a mass of 200 kg and is suspended by two vertical wires attached to points along its horizontal diameter. One wire is attached to the left end of the diameter and the other is attached to a point three-quarters of the way to the other end. What is the tension in each wire? A ladder...
There is a solid ball that weighs 1000g. The radius of the ball is 5 cm....
There is a solid ball that weighs 1000g. The radius of the ball
is 5 cm.
1. What is the density of the ball? (π=3) in
kg/m3 (no unit needed in the answer
)
2. If you cut a smaller ball, which has a radius of 1 cm, from
this big ball. What is the mass left? (π=3) in kg (no unit
needed in the answer )
3. What is the volume ratio of those two balls?...
A necklace is a circular arrangement of beads which can be rotated and flipped without being considered a different arra...
A necklace is a circular arrangement of beads which can be rotated and flipped without being considered a different arrangement. For example, there is only one necklace strung together from three beads where all beads have different colors. a) How many different necklaces with N beads can be made with N distinct colors? b) How many different necklaces can you string together if you have to use 5 beads and up to 2 colors? c) Now suppose we can only...
Can anyone help me do the magdeburg hemisphere question In 1654, the German scientist and inventor...
Can
anyone help me do the magdeburg hemisphere question
In 1654, the German scientist and inventor Otto von Guericke found that if you make a sphere out of two brass hemispheres and create a near-vacuum inside (p_w very small), it is extremely hard to pull apart the hemispheres. (Von Guericke famously demonstrated that two teams of eight horses couldn't do it!) Assuming that the hemispheres have very thin walls, so that R in the figure may be considered both the...
A necklace is a circular arrangement of beads which can be rotated and flipped without being considered a different arrangement. For example, there is only one necklace strung together from three...
A necklace is a circular arrangement of beads which can be rotated and flipped without being considered a different arrangement. For example, there is only one necklace strung together from three beads where all beads have different colors. a) How many different necklaces with N beads can be made with N distinct colors? b) How many different necklaces can you string together if you have to use 5 beads and up to 2 colors? c) Now suppose we can only...
Which of the following is considered sensation and which are perception. 2 of these are incorrect...
Which of the following is considered sensation and which are perception. 2 of these are incorrect Sensation A bite of the fruit tastes sweet and acidic. Sensation Ouch! That sandpaper is rough. Sensation "Your song" is playing in the grocery store. Sensation Suddenly you notice a sharp and acrid smell. Perception You can tell your co-worker has walked by when you smell his cologne. Perception Isn't that Bob from the office coming out of that store? Perception Tasting potato-leek soup...
A mad doctor believes that baldness can be cured by warming the scalp with sound waves....
A mad doctor believes that baldness can be cured by warming the scalp with sound waves. His patients sit underneath the Bald-o-Matic loudspeakers, where their heads are bathed with 91 dB of soothing 800 Hz sound waves. Suppose we model a bald head as a 16-cm-diameter hemisphere. If 0.30 J of sound energy is considered an appropriate "dose," how many minutes should each therapy session last?
1. A compost barrel can be considered as a solid cylinder of mass 50.0 kg and...
1. A compost barrel can be considered as a solid cylinder of mass 50.0 kg and radius ofr= 30.0 cm, and a length of 0.900 m. It can be turned about the long axis axis of rotation marked by x on the picture) by applying a force to a handle located d=20.0 cm from the axis of the cylinder. The compost barrel needs to be turned through 250 complete revolutions. Assume you can apply a constant force of F =...
plz? help sir
..........
A transparent glass hemisphere with radius R and mass m has an index of refraction n. In the medium outside the hemisphere, the index of refraction is equal to one. A parallel beam of monochromatic laser light is incident uniformly and normally onto the central portion of its planar surface, as shown in Figure 3. The acceleration of gravity g is vertically downwards. The radius 8 of the circular cross-section of the laser beam is much...
2. Spherical Dipole - The surface charge density on a sphere of radius R is constant, +0, on the entire northern hemisphere, and-oo on the entire southern hemisphere. There are no other charges present inside or outside the sphere. (a) (4 pts) Compute the dipole moment of that sphere (with the +z-axis up through the pole of the positive, +Oo, hemisphere). Use the definition of a dipole moment, p-Jr, (7)dr', which in this case becomes p:-:J20(7)dA. Write your final answer...
#4 please
A uniform sheet of metal in the shape of a hemisphere of radius 1 m is used as a sign. The hemisphere has a mass of 200 kg and is suspended by two vertical wires attached to points along its horizontal diameter. One wire is attached to the left end of the diameter and the other is attached to a point three-quarters of the way to the other end. What is the tension in each wire? A ladder...
There is a solid ball that weighs 1000g. The radius of the ball
is 5 cm.
1. What is the density of the ball? (π=3) in
kg/m3 (no unit needed in the answer
)
2. If you cut a smaller ball, which has a radius of 1 cm, from
this big ball. What is the mass left? (π=3) in kg (no unit
needed in the answer )
3. What is the volume ratio of those two balls?...
Can
anyone help me do the magdeburg hemisphere question
In 1654, the German scientist and inventor Otto von Guericke found that if you make a sphere out of two brass hemispheres and create a near-vacuum inside (p_w very small), it is extremely hard to pull apart the hemispheres. (Von Guericke famously demonstrated that two teams of eight horses couldn't do it!) Assuming that the hemispheres have very thin walls, so that R in the figure may be considered both the...
A necklace is a circular arrangement of beads which can be rotated and flipped without being considered a different arrangement. For example, there is only one necklace strung together from three beads where all beads have different colors. a) How many different necklaces with N beads can be made with N distinct colors? b) How many different necklaces can you string together if you have to use 5 beads and up to 2 colors? c) Now suppose we can only...
1. A compost barrel can be considered as a solid cylinder of mass 50.0 kg and radius ofr= 30.0 cm, and a length of 0.900 m. It can be turned about the long axis axis of rotation marked by x on the picture) by applying a force to a handle located d=20.0 cm from the axis of the cylinder. The compost barrel needs to be turned through 250 complete revolutions. Assume you can apply a constant force of F =...
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