The force of magnitude F = 98 lb acts along the edge of the triangular plate. Determine the moment of F about point O. The moment is positive if counterclockwise, negative if clockwise. 26" A 18" Answer: Mo = i F = 98 lb lb-in.
Q: Replace the three forces shown by an equivalent force-couple system at point A. If the forces are…
A: Resultant force at A can be calculated as, R=∑FxR=280-220+390R=450 N
Q: Q3 Block A movies on a roller along inclined surface and Connected to Block B by a link. Determine…
A: Answer is explained below with proper explanation
Q: Ex. 25: The wavelength of beam of light in a glass is 4000 Å. What is its wavelength in air if R. I.…
A: To find-Wavelength of light in air (λa)=?Given-Wavelength of light in glass (λg)=4000 A0R.I. of…
Q: Two people are on a sailboat, which weighs 1040 lbs total when the sail is raised. Determine the net…
A:
Q: 2.2 Consider a van der Waal's gas that undergoes an isothermal expansion from volume V₁ to volume…
A:
Q: Wave theory of light as suggested by Huygen could not explain the phenomenon of Polarization (b)…
A: According to the Huygens principle, each point on the wave front is itself a source of spherical…
Q: If the matter has a wave nature, why is this wave-like characteristic not observable in our daily…
A: As per De Broglie's hypothesis, all matter will behave like a wave. The matter-wave thud formed will…
Q: Suppose that 23 of work is needed to stretch a spring from its natural length of 36 cm to a length…
A:
Q: B M O 9" Answers: Vector F = (430 lb)(i Scalar components Fx= i i F₂= i F = 430 lb 15" lb lb lb 17"…
A:
Q: A small projectile is fired vertically downward into a fluid medium with an initial velocity of 60…
A: Given that A projectile goes vertically downward the initial velocity of the projectile is v0=60m/s…
Q: Fred the lightning bug has a mass m and a charge +q. Jane, his lightning-bug wife, has a mass of m…
A: Gravitational force is always attractive. Electric force for unlike charges are attractive.
Q: Two polarizing sheets have their transmission axes crossed so that no light gets through. A third…
A:
Q: Determine the change in wavelength of light during its passage from air to glass, if the refractive…
A:
Q: *Write down the normalized wave functions for the first three energy levels of a particle of mass m…
A:
Q: Q2: For the shaded plane area shown, determine: a) Ix (the second moment of area about x axes) b) Iy…
A: The equation is y=6-1.5 xx=236-y (a) The moment of inertia about x-axis Ix=∫∫Ry2dAIx=∫04∫06-1.5…
Q: For the same angle of incidence, the angles of refraction in media 'P', 'Q', 'R' and 'S' are 50°,…
A: Given, For same angle of incidence there are different angles of refraction in different media.
Q: If the forequency of evolution of an object changes from SHX to 4* in 2 sec. Calculato ang. acc.
A: To find-Angular acceleration (α)=?Given-n1=2 Hzn2=4 HzTime=2 sec
Q: Assume 5 lbm of gas for which R = 26 ft-lbf/lbm-R and k = 1.10m undergo a polytropic process form P1…
A:
Q: Calculate the resistivity (2.cm) of an n-type material has an electron mobility of 4200 cm²/V.s and…
A: Semiconductor.
Q: The specialty wrench shown in the figure is designed for access to the hold-down bolt on certain…
A:
Q: A metal with a work function of 2.3 eV is illuminated with a light of frequency 500 nm. What is the…
A: The photoelectric effect is the release of charged particles from a material when it is exposed to…
Q: At what time was the snapshot graph in (Figure 2) taken? Express your answer to two significant…
A:
Q: ve from the grou to the first excit
A: Find, the electric dipole moment to move from the ground state of rotation Y00 to the first excited…
Q: a To simulate the acceleration of large rockets, astronauts que soun at the end of long rotating…
A: To find-Angular speed (ω)=?Given-r=9.8 mg=9.8 m/s2a=8 g=8×9.8 m/s2
Q: Two light sources are used in a photoelectric experiment to determine the work function of a…
A: Concept: Given: Wavelength of Green Mercury lamp λ=546.1 nmStopping Potential (eV∘)=0.376…
Q: Let L(y) = (x-1)y"- xy + y a) with the observation that y, zx is a solution of L(4)=0 on (1,00), by…
A: L(y) = (x-1) y''-xy'+y ..................(1) a.) L(y) = 0 ⇒(x-1) y'-xy'+y = 0 Solving by reduction…
Q: Two point charges attract each other with an electric force of magnitude F. If one charge is reduced…
A:
Q: The resistance (k) of a 1 cm³ pure silicon crystal. [n 1x10¹ cm³, pe-1250 cm² V-¹s-¹, h 350 cm²…
A: Given, ni=1×1011cm-3μe=1250 cm2V-1s-1μh=350 cm2V-1s-1
Q: A point is situated at 7 cm and 7.2 cm from two coherent sources. Find the nature of illumination at…
A: To find-Nature of illumination=?Given-Path difference=(7.2-7) cm…
Q: Electron coming out of a material has a velocity of 5.6x105 ms-1 when it is illuminated by a light…
A: The photoelectric effect takes place when the light of a certain frequency falls on material and…
Q: Accelerated proton of velocity 11.1x107 m/s entered a uniform magnetic field that is perpendicular…
A:
Q: If the human body is considered as a blackbody calculate the maximum wavelength emitted.
A: Objects of different temperatures will have spectra that will peak at different temperatures. Thus…
Q: A helicopter is rising vertically from the ground at a constant rate of 4.5 meters per second. When…
A: Given :- helicopter velocity upward = 4.5m/s car speed horizontal = 80kph…
Q: What are the readings of the following instruments? 35 80 The reading = H mm V tuuna יזייז The…
A: Here we are going to take the readings of the instruments.
Q: The ICS-40720 MEMS microphone has a sensitivity of -32 dBV, is linear to 124 dB SPL, has an SNR of…
A:
Q: An object of mass 1 kg is tied to one end of a string of I'm & in a vertical length circle. What is…
A: To find-Minimum speed at the lowest position (V)=?Given-Mass of object (m)=1 kgLength of…
Q: If the Mach number is 2.2 and the speed of an airplane measured by radar is 2115 km/h, what is the…
A:
Q: 7. A force parallel to the x-axis acts on a particle moving along the x-axis. The force produces a…
A: Given, Potential energy function Ux=αx2+βx2where,α=-0.70 J/m2β=1.50 J/m4
Q: 21. When an ideal gas, of which the ratio of its specific heats is constant, undergoes a quasistatic…
A:
Q: A particle moves according to the equation x = 9², where x is in meters and it is in seconds. (a)…
A:
Q: QUESTION 2 "Show your detailed work. Begin with a right equation(s). Do not forget UNITI "Answers…
A:
Q: Assume that the mobility of electrons in silicon at T = 300 K is = 1300 cm²/V-s. Also assume that…
A: Mobility μ varies with temperature T in lattice scattering as T-3/2.
Q: a) Describe the general effects of ionising radiation on cells. b) Contrast the effects on cells of…
A:
Q: The circuit shows a 12V battery connected to a lamp of resistance 3.002. 12V How much energy is…
A: Given, V=12 voltsR=3.0Ωt=2.0 minuts
Q: Ex. 57: A T.G. shows a deflection of 20° for a current of 0.5 A. Calculate the current needed to…
A: To find-Current (I2)=?Given-Deflection (θ1)=200Current (I)=0.5 ADeflection (θ2)=400
Q: What can you say about the picture on the left? Can you light a bulb or detect current without any…
A: By this picture we can see that there is a solenoid with large number of turn and this is connected…
Q: The De-Buoglie wave length of 0.1 gm guains of sand blown by a wind at the speed of 20 m/s Ch = 6.63…
A: To find-De Broglie wavelength (λ)=?Given-Mass of grain of sand (m)=0.1 gm=1×10-4 kgSpeed of grain of…
Q: Design a circuit to detect the 4-bit pattern (1001), and output (z=1) whenever it occurs in the…
A:
Q: Q1:- A GaAs sample with no = 3x10¹5 cm ³ is illuminated with light and 10¹4 electron- hole pairs/cm³…
A:
Q: The line of action of the 2290-lb force runs through the points A and B as shown in the figure.…
A:
Trending now
This is a popular solution!
Step by step
Solved in 2 steps