* Question 2 Lions hunt and eat antelope that graze in the African grasslands. If Africa has no rain for a long period of time, and plants die, what will happen to the population of lions? It will increase. It will decrease. C It will remain unchanged. D It will adapt to eating plants.

Q: Consider a triangular prism located in a three-dimensional cartesian coordinate system as shown in t...

A:

Q: Red light having a wavelength of 690 nm (in air) is vertically incident on a thin film of oil that h...

A: Given :     Wavelength of light, λ = 690 nm     Refractive index of the oil film, μ=1.19     Refract...

Q: How do polarizers work?briefly explain

A: A polarizer is a device that transmits the component of the electric field in the direction of its t...

Q: 3. (35 pts) A system of two paint buckets connected by a lightweight rope is released from rest with...

A:

Q: Can Longitudinal waves be polarised?

A:   First of all the term polarization is that the phenomenon during which waves of sunshine or other ...

Q: When a voltage of 100 volts at 50 Hz is applied to an impedance coil A, the currenttaken is 8 A and ...

A: Solution:   As per the given data,

Q: What are the characteristics (angular distribution and polarization state) of the microwave

A: Given: To explain the characteristics of the microwave as,

Q: The unit vectors of Cartesian Ox,x,xz, cylindrical Opøx, and spherical Or0ø coordinate systems are d...

A: The question deals with curvilinear co-ordinate system where the basis vectors are not constant in d...

Q: Helium-neon laser light (? = 632.8 nm) is sent through a 0.320 mm wide single slit. What is the widt...

A: Given: The wavelength of the Helium-neon laser light is 632.8 nm The width of the slit is d = 0.32 m...

Q: The current through a wire is perpendicular to a 2.85-T magnetic field. If the current in the wire i...

A: Given, Angle between wire and magnetic field is, θ = 90o current flowing through the wire, I = 2.25A...

Q: What special relationship can be observed if you have a number of resistors with the same ohmic valu...

A: Given: We have no. of resistance with the same ohmic value. 

Q: Find the speed of a moving clock if a clock at rest is three times faster than it.

A: From time dialation equation,t'=t1-vc2t'=time in moving framet=time in stationary framegiven, t=3t'

Q: A mass weighing 16 pounds stretches a spring 4 feet. The mass-spring system is submerged in a liquid...

A: please see the next step for solution

Q: A 350 kg motorboat is turned off as it approaches a dock and it coasts in toward the dock at .5 m/s....

A: The momentum of the system remains constant in the absence of any external force.

Q: slit of width 0.46 mm is illuminated with light of wavelength 534 nm, and a screen is placed 114 cm ...

A: Separation between two maxima or minima is known as fringe width(β). 

Q: A solid sphere of radius R= 8.0 cm uniformly generates 5 x 10 W/m' of heat within it. Surrounding th...

A: please see the next step for solution

Q: Propagation Constants and Group Velocities. A step-index fiber with refractive indices n = 1.444 and...

A: Given, Refractive index,  n1=1.444n2=1.443 Wavelength, λo=1.55 μm=1.55×10-6 m For V parameter=10 We ...

Q: 2) A 4-kg block C'is suspended from a cord attached to a 10-kg cart A, which can roll freely on a fr...

A:

Q: ) Considering the nucleus as a uniformly charged sphere of radius ?? and total charge ?? prove tha...

A: Given: The nucleus is a charged sphere of radius R and total charge Q. We need to find the electrost...

Q: Question a) please :)

A: The charge at the center induces a equal and opposite charge at the inner surface, which in turn ind...

Q: 3. How many beta particles are released when 19782 Pb transmutes to 197 79 Au? 4. What is the missin...

A: 3 ONE BETA PARTICLE WILL BE RELEASED.

Q: A ball rolls of the edge of a table 1.0 m above the floor and strikes the floor 1.5 m horizontally f...

A: Given: The ball simply falls at a distance, h=1.0 m

Q: Prove that for a spacelike interval, two events cannot occur at the same place in space.

A: The space time interval for two events is defined as: ∆s2=∆x2-c2∆t2 ..........1 It is invariant unde...

Q: Discuss the Calculations involving Radioactive Decay and Time?

A: According to radioactive law when a radioactive sample goes through α, β, or γ decay,In given sample...

Q: How the exaggeration scale, the shape of the outgoing sound beam and the actual speed of sound in wa...

A: Introduction: The echo sounder is an instrument that uses sound echoes to determine the water depth....

Q: Observations of the Crab Nebula taken aver several decades show that gas blobs that are now 100 arcs...

A: To explain the correct answer for the given question,

Q: A single electron is trapped in a potential box of typical size 150nm. Estimate the electrostatic ch...

A: Given data- Size of the box=150 nm r=150×10-9 mElectrostatic Energy is amount of work done required ...

Q: Solve this

A: If the crew has to escape their ship should reach the speed of 25000 km.s-1 before the shock-wave re...

Q: Miller indices

A: Introduction: The normal to the surface are called miller indices.

Q: A boy is standing at a railroad crossing for a track that runs east and west. As he faces the track,...

A:

Q: A paint shop in the water flow through the pipe in the radius r Q = 0.05 m /s, densityp 1000 kg/m %3...

A: Given: Q=0.05m3/sρ=1000kg/m3Cf=0.0075k=10L=100m∆P=200000N/m2

Q: A mass m1 hangs from one end of a string passing over a frictionless, massless pulley. A second fric...

A: Draw the diagram and label variables.

Q: If the force of gravity between a book of mass 0.50 kg and a calculator of 0.100 kg is 1.5 × 10-10 N...

A:

Q: A nucleus with even-even nucleons in the ground state is subjected to alpha decay. Calculate the a...

A:

Q: VBE = 0.7V, β=hfe = 100, determine Av = Vo/Vi

A: To Find:- Voltage gain,AV==VoVi Given, VCC=24VVBE=0.7Vβ=100R1=100kΩR2=10kΩRB=50kΩRC=3kΩRE=1kΩ

Q: You have a beaker of sea water (liquid 1) and a beaker of gasoline (liquid 2) with densities respect...

A: We know, Pressure at points on same height in liquid remain sameThen, at level of liquid 1 right arm...

Q: The ball B has a mass of 1.3 kg and is originally rotating in a circle. As shown, the cord AB has a ...

A: Given data: The mass of the ball B is m=1.3 kg The distance of A from the plane of motion is d=1.7 m...

Q: According to the equation It) 1.e-t/t, the current in a wire varies over time and decreases exponent...

A: please see the next step for solution

Q: 1.a) Define simple harmonic motion  with its characteristics and give 2 examples b) Establish the di...

A: Simple Harmonic Motion- If the acceleration of the vibrating body directly varies with the displacem...

Q: (a) Explain as to why or why not the formula for total mass of a nucleus mn given below in term of p...

A: Here, we look into the mass of the nucleus formula and see how it is related to binding energy.

Q: At a road intersection, a 1200 kg car travelling southward at 18.0 m/s collides with a 975 kg car tr...

A: We apply conservation of momentum along both the N-S and E-W axes.

Q: A car of mass 1000 kg had its springs compressed vertically by 2.6 cm when a driver of mass 62 kg cl...

A: please see the next step for solution

Q: • What a solar cell is? • Materials and types of solar cells. • Where solar cells are used and why? ...

A:

Q: Q. A symmetrical T-network having a series arm resistance of 100n and shunt arm resistance of 40n. O...

A: The T network is Given as  Where Zd= Ze = 100 ohms  & Zf= 40 ohms  The equivalent pi-network is...

Q: Consider two antennas separated by 9.00 m that radiate in phase at 120 MHz. A receiver placed 150 m ...

A: Given, Separated distance,x=9mFrequency,f=120MHz=120×106Hzmoved distance,∆x=1.8mspeed of light,c=3×1...

Q: A perfectly conducting rectangular waveguide having an infinite length along the z axis and a width ...

A: Given, Width along x-axis,a=3cmWidth along y-axis,b=2cm We have to calculate the wavelength of TE10 ...

Q: There is a lens combinations between two converging lenses that have focal lengths of f1=13 cm (lens...

A:

Q: 3. At what speed will a [proton] be traveling if it encounters a field of 2.84-T and generates a for...

A: Given data F=3.05 NB=2.84 Tq=+1.6×10-19 C  

Q: I3I IV Time 2.0 (sec) 1.0 1.5 -10 -20 The position-time graph for a spring-mass system in simple har...

A: The graph shows the simple harmonic motion of the system , the position time graph is sinusoidal . T...

Q: The graph of the f' of a function f is shown. y= f'(x) 3 5 7 i) On what intervals is f increasing? E...

A: please see the next step for solution