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Explain why the phenotype of the cloned mammoth would be similar to the woolly mammoth and not to the elephant egg donor or surrogate elephant mother
Two police cars have identical sirens that produce a frequency of 560 Hz. Find the speed of the approaching police car
In the Blackhawk landslide in California, a mass of rock and mud fell 465 m down a mountain and then traveled 8.3 km across a level plain. How fast was it traveling when it reached the bottom
The unpolarized light of intensity I(not) is passed through two polarizers with axes oriented at 30degrees from each other. What intensity of light emerges
A meat baster consists of a squeeze bulb attached to a plastic tube. When the bulb is squeezed and released, find the absolute pressure PB in the bulb
Find the de Broglie wavelength of electrons with kinetic energies of 30 eV. Answer all in pm. Find the de Broglie wavelength of electrons
The lenses of a particular set of binoculars have a coating with index of refraction n=1.38, and the glass itself has n=1.52. what is the minimum thickness of the coating
Green light at 543 nm is diffracted by a grating with 3000 lines per cm. Through what angle is the light diffracted in the first order
A five-slit system with 7.2 micrometers slit spacing is illuminated with 655nm light. Find the angular positions of the third and sixth minima
Two- people- are -talking at a distance of 3.0 m from where you are and you measure the sound intensity as 1.1 Ã- 10-7 W/m2. What sound intensity does the other student measure
What is the thinnest soap film (excluding the case of zero thickness) that appears black when illuminated with light with a wavelength of 570nm
Two slits spaced 0.500mm apart are placed 77.0cm from a screen. What is the distance between the second and third dark lines
Coherent light from a sodium-vapor lamp is passed through a filter that blocks everything except for light of a single wavelength. What is the wavelength of the light that falls on the slits
A refrigerator has a surface area of 6.04 m2. It is lined with 0.0885-m-thick insulation whose thermal conductivity is 0.0300 J/(s m C °). How much heat per second is being removed from the unit
One end of a brass bar is maintained at 305 oC, while the other end is kept at a constant, but lower, temperature. What is the temperature of the bar at a point 0.129 m from the hot end
A 768 kg car moving at 27 m/s brakes to a stop. The brakes contain about 16 kg of iron that absorb the energy. What is increase in temperature of the brakes
If the ball was hit when it was 1.2m above the ground, what horizontal distance does it travel before it lands on the building
In a three-slit system, the first minimum occurs at an angular position of 6.00 degrees. Where is the first maximum
A standing wave of frequency 3.03 Hz is set up on a string 2.6 m long with nodes at both ends and in the center
A microphone is attached to a spring that is suspended from the ceiling. Directly below on the floor is a stationary 412-hertz source of sound. determine the amplitude of the simple harmonic motion.
A bat can detect small objects such as an insect whose size is approximately equal to one wavelength of the sound the bat makes. what is the smallest insect a bat can detect
A 2.70-cm-high object is situated 18.5 cm in front of a concave mirror that has a radius of curvature of 8.06 cm. Calculate the location and the height of the image
A 2.18-m-long diving board of mass 13.2 kg is 3.00 m above the water. It has two attachments holding it in place. what are the forces acting on the two attachments
104.05 J of energy are transferred to a system in the form of heat while the internal energy decreases by 57.65 J. How much work is done by the system
A cup of water is heated with a heating coil that delivers 14.87W of heat. What is the mass of the water