How long should a sandpit be if needs to stop 5,000 kg trucks that may be traveling up to 150 km/hr? Assume the coefficient of friction for the sand/truck combo is .75

Q: If 1.8 cm3 contains a blood which has a density of 1060 Kg/m³, Find its weight. (g = 10 m/s). Answer...

A: Given that,Volume : V = 1.8 (cm3)Density : ρ = 1060 (kg/m3)Acceleration due to gravity : g = 10 (m/s...

Q: A sinusoidal electromagnetic wave is propagating in vacuum in the +Y direction. If the magnetic fiel...

A: The direction of electromagnetic wave is given as, +y axis direction. The direction of magnetic fiel...

Q: An object that is 4.0 m away from a spherical mirror has a virtual image that is 2.0 m away. What ty...

A: Given data object distance from mirror(u) = 4 m image distance from mirror (v) = 2m we have to find ...

Q: | Paraboloidal coordinates u, v and o are defined in terms of Cartesian coordinates by T = uv cos o,...

A:

Q: Two EM waves travelling in the +x-axis have polarizations in perpendicular directions and have a pha...

A: Given: Two Em waves travelling in +x-axis Polarization in  perpendicular directions Phase difference...

Q: A physicist is hired to do some decorating at a celebration. The client is very keen on including so...

A: Given that:λ=581.0 nm=581.0×10-9 mLength of the wedge, L=5.00 mTotal number of fringes, N=365air fil...

Q: Paraboloidal coordinates u, v and ø are defined in terms of Cartesian coordinates by I = uv cos o, y...

A: Given: The paraboloidal coordinates are given in the cartesian coordinates The basis vector is 

Q: A 200-Ohm resistor and a 500-Ohm are in series as a part of a larger circuit. If the voltage across ...

A:

Q: Can we apply eddy current inspection plastic? Give a reason why

A: Given Can we apply eddy current inspection in plastic, give a reason, as following below.

Q: 4.1 Suppose the energy density of the cosmological constant is equal to the present critical density...

A: Given; ε∧=εc,0=4870 MeVm-3

Q: Consider a 1.62 m person standing 0.75 m to the left of a concave mirror with radius of curvature 0....

A:

Q: A 364-g object is attached to a spring and executes simple harmonic motion with a period of 0.240 s....

A: Given that,Mass of object : m = 364 (g) = 0.364 (kg)Period of motion : T = 0.240(sec)Toral energy of...

Q: The plot shows the dispersion curve of Indium phosphide (InP). What is the wavelength of an EM wave ...

A: Given, The speed InP of 9.23*107 m/s.

Q: n order to observe emissions from celestial bodies Very Long Baseline Arrays (VLBA) have been develo...

A: Very Long Baseline Arrays or VBLA is a system of multiple telescopes which are separated by a long d...

Q: The emf of each cell in the figure is 1.50V, and the internal resistance of each cell is 0.40Ω. Calc...

A: Given, An electric circuit with many resistors and battery sources

Q: Find the electrostatic potential inside a tube of infinite length along the axis z and whose cross s...

A: Given, In the hollow rectangular pipe, the side length of the pipe is "a" the cross-sectional area i...

Q: I. Find the acute angle between the given curves. 2. x²y+4a° y=8a°nx²=4 ay 3. x'y+4 y=8Ax²y=4

A: Solution attached in the photo

Q: 38. The electric field of Earth always points toward Earth. The magnitude of the field strength vari...

A: Given in the case we have have  a field mill that measure local electric field strength. The field m...

Q: The filament of an evacuated light bulb has a length 10 cm, diameter 0.2 mm and emissivity 0.2, calc...

A: To find- Temperature of filament (T)=? Given- Stefan's constant (σ)=5.67×10-8 S.I. unit Length (l)=1...

Q: Q5: In the spectrum of certain star, the Ha line is shifted towards red end by 0.01 nm. Calculate th...

A: Given: Change in wavelength,∆λ=0.01nm=0.01×10-9mWavelength,λ=656.3nm=656.3×10-9mSpeed of light,c=3×1...

Q: Waves produced by two vibrations in a medium have wavelengths 2 m and 2.1 m respectively. When sound...

A: To find-(1) Wave velocity=?(2) Frequencies of vibrators=?Given-λ1=2 mλ2=2.1 m

Q: ind the number of molecules in 1 cm of oxygen at N.T.P. if mass of oxygen molecule is 52.8 x 10 27 k...

A: NTP stands for normal temperature pressure, which corresponds to a pressure value of 1 atm or 101.35...

Q: 1. In the following table, fill in the missing information in order to calculate the Total Magnifica...

A: Objective Lens Magnification of Objective Lens Magnification of Ocular Lens Total Magnification Lo...

Q: 6. Rub Jahn's foat on the rug by clicking his leg or foot with your mouse and moving it back-and-for...

A: Initially both the bodies (rug and John) are neutral. After rubbing, the John's foot becomes negativ...

Q: Part A A 12m x 13m house is built on a 12 cm -thick concrete slab. What is the heat-loss rate throug...

A:

Q: A 9,300-kg truck runs into the rear of a 1,000-kg car that was stationary. The truck and car are loc...

A: Given that,The mass of the truck : mt = 9300 kgThe mass of the car : mc =1000 kgThe initial speed of...

Q: cell of mass (M) is moving upwar a virus of mass (m) is attached to it anc le thread of mass (1), wh...

A: (1) Generalized coordinates for a system be defined as the coordinates that describe the configurati...

Q: 1) Given a specific heat, S of a body at temperature 0 from 0 °C to 11 °C. 1.5 3.0 4.5 7 11 S 0.6 1....

A: The specific heat of a body at various temperature is given as, θ 0 1.5 3.0 4.5 7 9 11 S 0 0.6 ...

Q: A capacitor of capacitance 4 µF is charged to a potential of 2 volt. How much energy is stored in th...

A: A electrical device could be a device which will store voltage. It is a two-conductor configuration ...

Q: eight, h, and the radius, r, that

A: Given data Volume of cylindrical can V =700 Cm3 Height of cylindrical can = h Radius of cylindrical ...

Q: If we have a body moving with an amplitude (8 cm) and a frequency of (1.25 Hz), then its angular acc...

A:

Q: 3.4 The rod of 1-in. radius shown in Figure P13-4 generates heat internally at the rate of uniform Q...

A: Given:

Q: A semiconductor laser has a threshold current of 10 mA and a slope efficiency of 0.32 W.A1 (measured...

A: (We are allowed to attempt one question at a time so please post rest of the question separately ) G...

Q: Q4-Within the context of magnetism, consider four main types of materials, Dia, Para, Ferro, antifer...

A: Magnetic material.

Q: The process of emittance of solar radiation from the sun is a result: Of fusion of four protons of o...

A: Solution:-Given thatProcess of emittance of solar radiation from Sun

Q: 5/8 Locate the centroid of the shaded area shown. y -y = 5 - x*/5 Problem 5/8

A: Draw the diagram to calculate the area as below. Calculate area as below. A=∫14X dy=∫1455-y dy=5∫14...

Q: A 550.0 g bird is flying horizontally at 2.50 m/s, not paying much attention, when it suddenly flies...

A:

Q: 1- Find the Friedman Equation, Acceleration Equation, Continuity Equation and the relation between T...

A:

Q: shu sucface of on water contact cuith glass 88 wall @Plane Concaue Convex Bofh 'b f'c.

A: It is given the surface of water is in contact with a glass wall. Using the concept of capillary act...

Q: An inductance coil has a reactance of 100 N. When an AC signal of frequency 1000 Hz is applied to th...

A: Given that:-Reactance of the inductance coil, XL=100ΩAC signal frequency, f=1000 HzWhere, the applie...

Q: Particle moves form extreme position to mean positions, its (a) Kinetic energy decrease, potential e...

A: The bob's extreme position is the position when it is farthest apart from the mean position. A mediu...

Q: CK IS rcle at a constant spe at the three o'clock p sion is 17 N. Find the when the ball is (a) at

A: Initially, at 3 o`clock position sum of radial forces as, T3= mv2/r = 17N

Q: consider an EM wave in vacuum which has an electric field given by Ē(x,t) = (600 V/m) cos 2 x 107 ra...

A: An electromagnetic wave is a combination of perpendicularly oscillating electric and magnetic field....

Q: Two concentric thin conductor spheres, radius rį = 20 50 cm. At first the two balls have no charge, ...

A: Given: The first conducting sphere has a radius 20 cm or 0.2 m.           The second conducting sphe...

Q: 5.If the resistance of an aluminum wire at room temperature (20°C) is 100 m2 (measured by a milliohm...

A: The temperature, when the resistance increases to 120 mΩ. given, TemperatureT1=20 oCResistance at 20...

Q: A 4.4 kg box slides on a horizontal frictionless table and collides with a 1.1 kg box initially at r...

A: Using conservation of momentum, we can find the speed of the combined system after collision.  we ha...

Q: Part II: s(t), v(t) and a(t) : position vector, velocity vector and acceleration vector related Def:...

A: i) Given, acceleration is at=-g then velocity will be vt=∫atdt=∫-gdtvt=-gt+C where C is the constant...

Q: Consider an object placed near a thin lens. The ray shown is one of the principal rays for the lens....

A: Given Consider an object placed near a thin lens. The ray shown is one of the principal rays for the...

Q: the two objects touch. Use a diag 2. What will happen when the two objects touch. Use a diagr

A: