Ex. 47 A circular disc of mass 2 kg and diameter 0.2 m is rotating about an axis passing through its centre and perpendicular to its plane. If it performs 120 revolutions per minute, calculate its rotational kinetic energy.
Q: Problem 6 Two walls are coupled by two coupling beams. Under earthquake loading, the walls rock abou...
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Q: Solve the problem. The angle of elevation 0 of the sun in the sky at any latitude Lis calculated wit...
A: Given: Angle of elevation of the sun at the sky at any latitude L is calculated using the formula, s...
Q: The robot moves the particle A (mass M) in the vertical plane using polar coordinate formulas r(t) ...
A: To solve the problem, we will write expression for acceleration of a particle in polar coordinates, ...
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A: We know that Not all fuel is burned in an internal combustion engine, which means that It is incompl...
Q: The semimajor axis for the orbit of an earth- orbiting satellite is found to be 9500 km. Determine t...
A: Solution: Calculate the mean motion using the following relation: n=μa3 rad/s ...
Q: The semimajor axis for the orbit of an earth- orbiting satellite is found to be 9500 km. Determine t...
A: mean anomaly is the fraction of an elliptical orbit's period that has elapsed since the orbiting bod...
Q: 1. A person travels by car from city A to city B at a constant speed of 80 km/hr. They then return f...
A: As it is of physics, despite the rerouting I m solving here. Given that, A person travels by car fro...
Q: R1 125 RB 1.5. SiliconD1 Vs 5 0.7
A: Let us find the current in the circuit. Using KVL, we can write : VS-VD1=I(R1+RB)5-0.7=I125+1.5Ito...
Q: B) Calculate the useful energy and the efficiency if collector area is (2 m²), flow rate is 0.03 kg/...
A: Given as, A=2m² I= 3.88 MJ/m² ΔT= 7 C Cp= 4180 kJ/kg C m= 0.03 kg/s Qu= Useful energy gain in kW Qi=...
Q: A plane electromagnetic wave, with wavelength 4.3 m, travels in vacuum in the positive direction of ...
A: Given that,Wavelength: λ = 4.3 (m)Amplitude : A = 370 (V/m)a: Here we need to find the frequency :No...
Q: A bowling ball moves down the lane from x=2.80 cm to x, = -5.00 cm during the time interval from f =...
A: Average velocity of an object is given by total displacement covered by the body over given time. So...
Q: A beam of silver atoms, for which M=±HB. passes through ar inhomogeneous magnetic field, as in the S...
A: Given Mz=±μBLength of the pole piece, L=0.1 mwithin this length the atoms will be accelerated in the...
Q: 1. Four cylinders rolling in opposite directions has a speed ratio of A:B:C:D = 5:3:1:4. If center d...
A: Given speed ratio of four cylinders rolling in opposite direction is A:B:C:D=5:3:1:4 Centre distance...
Q: nd Fg 40.0N. where N is the standard Sl unit of force. What is F3 in unit-vector notation?
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Q: c. Consider the 5N. 3N and 2N vectors shown in the diagram below and determine the magnitude and dir...
A: A vector is a quantity that is defined by both a magnitude and a direction. Some examples of vector ...
Q: d. Now suppose you double the mass of one of the objects keeping the other constant, how will the fo...
A: d) According to Newton's law for gravitational force, if m1 and m2 is the mass of two objects and d ...
Q: A loser beam has a power of 90 w.has an aperture of 30 Culculate the itansty of the image Sight of w...
A: Given: The power of the laser beam is 90 W. The aperture is 3×10-3 m. The wavele...
Q: P2: For the circuit shown and based on H = Zent, calculate: a) resonant frequency b) quality facto...
A: The resistance of the resistor is given as, R=10 Ω The inductance of the inductor is given as, L=1 m...
Q: An electric car is designed to run on a bank of batteries with a total potential difference of 23 V ...
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Q: Find a Lagrangian corresponding to the following Hamiltonian: H = ÷(r.4. + 2P.P; +4i)
A: The Hamiltonian is dependent on position and momentum coordinates. The given Hamiltonian is H=12p1...
Q: In the figure a thin glass rod forms a semicircle of radius r = 3.03 cm. Charge is uniformly distrib...
A: Given, thin glass rod forms a semicircle of radius r=3.03 cm= 3.03*10-2 m In the upper half charge i...
Q: The robot moves the particle A (mass M) in the vertical plane using polar coordinate formulas r (t)...
A: Using acceleration formula in plane polar co ordinate we can solve the problem as solved below using...
Q: If P1 = 50 kN, P2 100 kN andC = 120 kN-m, determine the resultant of the system P2 A 150 mm- 50 mm 1...
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Q: A guitar string has a length of 642.0 mm and a mass of 3.70 g. The rope presents its fundamental mod...
A: The given guitar string has a length of 642 mm and a mass of 3.7 g. When this guitar string is pluck...
Q: (i) Write the specific type of instrument as shown in figure 1.? (ii) How are the ions produced in t...
A: (i) The instrument which is shown in the figure are, Magnet Manometer Mass spectrometry DC amplifie...
Q: 2. Use superposition to find the current through the 6 k resistor. Hint: we can use superposition be...
A: CIRCUIT DIAGRAM: TO DETERMINE: (a) The current flowing through the resistor-3, i3.
Q: Consider the time ot = 2n. a) What total energy, W, is stored in the circuit? b) Write the capacitiv...
A: (Note: I think there is a typing error in the question and it should be ω = 2π.Then the circuit rema...
Q: 7. The resistivity of intrinsic Si is 2.3 x 10 . m at 300 K. Calculate its resistivity at 100°C. Ass...
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Q: A slow projectile of negligible size and mass m is launched in a viscous fluid environment, aiming a...
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Q: The linear absorption coefficients for 0.05-nm x-rays in lead and in iron are, respectively, 5.8 × 1...
A: When high-energy beams like x-rays go through the material there will be a reduction of intensity du...
Q: - Part A An electron is moving east in a uniform electric field of 1.55 N/C directed to the west. At...
A: The following data are given: Part A: Electric Field, E=-1.55 N/C, towards west (sign convention is ...
Q: A free falling maSsive, charged particle is suddenly exposed to a uniform vertical magnetic field. W...
A: Lorentz force: Whenever a charged particle is subjected to move in an electric and/or magnetic field...
Q: A beam of silver atoms, for which M,= +HB. passes through an inhomogeneous magnetic field, as in the...
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Q: 4. The 80-lb ball is suspended from the 1.5 ft - 1.5 ft - horizontal ring using three springs each h...
A: Given that,The stiffness of the string : 50 (lb/ft)The weight of the ball : 80 (lb)The length of the...
Q: Most commercial geostationary communications satellites must maintain their orbital positions to wit...
A: Since eccentricity is not given, we took it to be 0.001 as it is the stable orbit case
Q: (a) A light microscope with a wavelength around 560 nm, and a 45°. (b) An electron microscope with a...
A: We can determine the numerical aperture from the objective as NA=nsinα where n is the refractive in...
Q: 6-A charged particle moves through a region in which there is a uniform magnetic field. If the magni...
A: Answer : The Lorentz force acted on a charged particle with charge q moving with a velocity v→ in a...
Q: Write down the difference between average cycle burnup and discharge burnup
A: Concept used: Burn up is also known as fuel utilization. It is measure of amount of energy extracted...
Q: The resultant vector of adding two forces: The magnitude and direction of d'and b*in the table below...
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Q: A proton accelerates from rest in a uniform electric field of 650 N/C. At one later moment, its spee...
A: Given Electric field (E) = 650 N/C Velocity (V) = 1.40 Mm/s
Q: Given force AB = 100 N, what is force BC? ((Answer in whole numbers only, without units. No periods....
A: Given: Force AB = 100 N
Q: A rocket is launched from a level ground following the path given by y=x−x^3/90, where x is the hori...
A: Given that, Path of the rocket is, y=x-x390 Equation 1velocity vector, V'=Vxi+Vyj=dxdti+dy...
Q: 8. A ball of mass 4 kg is lightly dropped into a tube with a base of 1 m^2. After it sinks to the bo...
A: Given mass m=4kg Height rises by h=2.5mm=2.5x10-3m Base area A=A=1m2
Q: Computed Voltage, Volts Measured Voltage, Volts 1.8 V 1.8 V 8.25 V 7.8 V 10 V 9.6 V Computed Current...
A: The measured values of voltage and current may be different from their calculated values due to any ...
Q: A slow projectile of negligible size and mass m is launched in a viscous fluid environment, aiming a...
A: To solve the problem, we will take projections of initial velocity along x and y directions, and use...
Q: A rigid vessel of volume 0.400 m3 containing H2 at 21.25ºC and a pressure of 715 x 103 Pa is connect...
A: Given data: V1=0.4m3T1=294.25 KP1=7.056 atmV1=0.75 m3T1=303.15 Kp1=2.003 atmT2=285.2 K
Q: A vehicle with headlights separated by 1.95 m approaches an observer holding an infrared detector se...
A: Given that,The distance between the lights : d= 1.95 (m)Wavelength of light : λ = 885 (nm) =885×10-9...
Q: In the figure shown. Compute the following: (1) A. and A, (2) B. and By 600 N 900 N (3) Using trigon...
A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question s...
Q: 3) Find the electric field at distance z above the center of a flat circular disk of radius R that c...
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Q: If the wall is 3 m, determine an show the resultant force that water exen on the overlang sea wall a...
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