Why do you suppose ultraviolet rays from the sun are more damaging to the skin than visible light?
Q: What is electroweak epoch?
A: In physical cosmology, the electroweak epoch was the period within the evolution of the first univer...
Q: 1) An object is 28 cm from a concave mirror of 8 cm focal length. The object is 2.3 cm high.
A: We have to use some basic formula here
Q: Consider N identical harmonic oscillators (as in the Einstein floor). Permissible Energies of each o...
A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and s...
Q: What caused the explosion of Big bang?
A: Given What caused the explosion of the Big bang, as following below.
Q: Determine the current labeled i in the following circuit 1.5 V 1.5 V 2Ω wwww 10 V 2 V
A: Given, An electric circuit with many resistance and voltage sources
Q: The assum Ption of Plane electromainetic waves has rather limited validity Find all the situations w...
A: We look into the applications and limitations of a plane wave. We look into its mathematical and geo...
Q: -h? d? 3. Find average value of kinetic energy, for ground state of the harmonic 2µ dx? ocillator. T...
A: We have to use some basic formula here
Q: ge program to find the average of these numbers and 000
A: Given: To write an assembly language of the average of the numbers and those results will be stored ...
Q: The motion of a nightingale’s wingtips can be modeled as simple harmonic motion. In one study, the t...
A: Part (a) Given: The amplitude of simple harmonic motion is A=8.8 cm. The time period of motion is t...
Q: 02: Derive the particle kinematic equation, Peter is bound to my width (L) and has an accompanying w...
A: The particle is bound to the length L and its wavefunction is given by the following relation ψ=1Lsi...
Q: electromagnetic waves
A: The Maxwell-Ampere law in differential form is given by : ∇→×B→=μ0J→+μ0ε0∂E→∂tHere, B →denotes magne...
Q: Define the impedence and Calculate the impe dence of free space.
A: Impedance: The analogous quantity for a plane wave travelling through a dielectric medium is called ...
Q: Show all working explaining detailly each step
A: lines of flow : Flow of the liquid fluid is said to be streamlined if the velocity of a molecule , a...
Q: What is positively curved universe?
A: The possible shape of universe are: a) Zero curve universe b) Positively curved universe c) Negative...
Q: What is the Approximate relative strength of strong force?
A: Relative strength is based on the strong force felt by a proton–proton pair.
Q: W:56) A 60kg woman does a step-up/step-down task using a 25cm platform. A full step cycle consists o...
A: Given, mass=60 kg h=25 cm =0.25 m a. Energy needed to complete 1 step-up= mgh=60×9.8×0.25=147 JSuppo...
Q: Electromagnetic waves
A: When the amplitudes Ep and Es become equal, the wave will be circularly polarized. The expression wi...
Q: The bob of a pendulum whose arm is 93 cm swings through a 13- cm arc. Find the angular displacement ...
A:
Q: What is the process of finding the temperature on different scales?
A: Three main scales commonly used to measure temperature is : The Celsius (°C) scale, The Fahrenheit ...
Q: and then find the average value of the Normalize 2s orbital, w,(r) =|2 a. e? 1 for 2s orbital. poten...
A: The wave function of a particle or a system gives information of its state and various values like t...
Q: Find the charge, baryon number, strangeness, charm, and bottomness of the J/Ψ particle from its quar...
A: Quarks are the fundamental particles and makes up all the matter. They are the truly elementary part...
Q: A wind turbine is rotating counterclockwise at 0.83 rev/s and slows to a stop in 13 s. Its blades ar...
A: We have to use some basic formula here
Q: Q 6 (20 points) Two very large parallel conducting plates are kept at z = 0 & z = 3 and separated by...
A: Poisson's law state that ∇2V=-Pvεwhere, V=potentialPv=charge densityAs given Pv=p(z)=bz C/m3∇2V=-bzε...
Q: Show all working explaining detailly each step
A: This expression of drag force is valid only when the speed of sphere moving through the fluid is not...
Q: Show that the following function Y(0,9)= sin 0 cos e eiº is the solution of Schrödinger 1 1 equation...
A:
Q: A particle confined in an infinite square well between x = 0 and r = L is prepared with wave functio...
A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question s...
Q: (B) A maintenance man (climber) tries to maintain one of the power stations iocated at the top of th...
A: Given, height difference is 10 m. mass of climber is 60 kg mass of water bottle is 500 g
Q: Light from a distant galaxy can travel different paths to the Earth. Why?
A: The light comes from the distant galaxy must have passed through heavier masses (like: star) that ca...
Q: The concentration of acceptor silicon atom is 5x10^21 m^-3 at 300 ° K . How far from the edge of the...
A: Given data: Temperature, T = 300KBoltzmann constant, K = 8.617 ×10−5eV/KConcentration of acceptor, N...
Q: What do we call the centre of gravity of the liquid displaced by a body? [A] fluidic centre [B] meta...
A: The center of gravity of the liquid displaced by a body. The point where the center of buoyancy cuts...
Q: A 0.200-A current is charging a capacitor that has circular plates 10.0 cm in radius. If the plate s...
A: Given: current (I)=0.200 Aradius of circular plate(r)=10cmplate sepration (d)=4.00mm Area of circula...
Q: A massive unknown object is moving at a speed of 52.53 m/s and must be stopped before it wrecks a bu...
A: Given : Initial velocity of the unknown object, u = 52.53 m/s Final velocity of the unknow...
Q: How do I go about this question?
A:
Q: 2. In fighting forest fires, airplanes work in support of ground crews by dropping water on the fire...
A: Given, Height, h=90 m Horizontal speed, v=64 m/s The horizontal distance is given by: R=v2hg
Q: The critical mass density needed to just halt the expansion of the universe is approximately 10-26 k...
A: Given that,The critical mass density = 10-26 kg/m3Average mass = 7 eV/c2As we know that,If m is in k...
Q: One end of a 50-cm wire of 2.05 g is welded to a 40-cm wire of 5.03 g. (a) If a wave moves along the...
A: Given: Wire 1: Length is l1=50cm. Mass is m1=2.05g. Linear mass density: ρ1=m1l1=2.05×10-3kg50×10-2m...
Q: one from the deck of a bridge. cer. The speed of sound is 342 rels from the water surface up
A: When the stone hits the water surface, sound waves are generated and propagated in all possible dire...
Q: What is Superstring theory?
A: Unification of the particles and the fundamental forces of nature into one theory is known as the s...
Q: How is tritium formed from cosmic radiation? Calculate the minimum projectile energy necessary for t...
A: When the cosmic rays interact with the atmospheric gases, tritium is formed. The following nuclear r...
Q: What is the overall effect of the proton-proton cycle?
A: Given: proton-proton cycle The proton-proton cycle is also know as proton proton reaction and p-p ch...
Q: 11. As the figure below shows, a 500 kg wrecking ball hangs vertically from the end of a crane on ea...
A: Torque on an object about a point is the product of the force applied on the object and the perpendi...
Q: can you explain/include all steps for part d.
A:
Q: What is Feynman diagram and why is it used?
A: The Feynman diagram is basically a pictorial presentation of some mathematical expressions or algori...
Q: How does one go about answering question 2d and 2e ?
A: (d) Given: The spring constant is 15 Nm. The mass of the ball is 0.5 kg. The distance to which the s...
Q: A convex mirror has a focal length of -12 cm. If an object is placed 15 cm from the surface, at what...
A:
Q: The boat is to be pulled onto the shore using two ropes. If the resultant force is to be 80 KN, dir...
A: First we draw the vector diagram, Then we use the triangle law to calculate the angle θ. Once θ is ...
Q: A ball swings in a vertical circle at the end of a rope 1.50 m long. When the ball is 36.9° past the...
A: Part (a) Given: The length of rope is L=1.50 m. The angle made by the rope with vertical is ϕ=36.9∘...
Q: The focal length of a lens in a box camera is 12 mm. The fixed distance between the lens and the Tum...
A: We have to use some basic formula here
Q: Q1 What are the optical fibers. How optical fibre cables are having more advantage over conventional...
A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,...
Q: Show variation of resistivity of Si with temperature in a graph.
A: The temperature affects the resistivity of materials and is given by the equation, ρt=ρ0[1+αT-t0]ρ0 ...
Why do you suppose ultraviolet rays from the sun are more damaging to the skin than visible light?
Step by step
Solved in 2 steps
