how much energy does it emit per second
Q: A body is executing simple harmonic motion. When the displacements from the mean position are 4cm an...
A: Option c
Q: What is the frequency of a photon having energy 2.1 X 10-30 MJ?
A: E = 2.1 X 10-30+6 JFrequency, v = ?We know, Energy = hv, where h is the Planck’s ConstantTherefore, ...
Q: A nonconducting slab with volume charge density p has a finite thickness between z=−d and z=+d is in...
A: 1)E for z≤-d (for a gaussian inside the slab the charge enclosed is qenc)from Gauss law∫E.dA =qencε0...
Q: When a pebble is dropped into a pond of still water, what happens? a) Particles move b) Waves move c...
A: Waves
Q: In which medium sound travels faster?
A: In solids
Q: A horizontal force F pushes a block mass m=4kg against a vertical wall. If the coefficient of fricti...
A: Option b
Q: Two circular disks spaced 0.50 mm apart form a parallel-plate capacitor. Transferring 1.90 x10° elec...
A: Given: Distance between two circular disks from the parallel plate capacitor 0.50 mm The electrons t...
Q: Question 1
A: Let m be the mass of the car Given, the initial speed of the car, v=4 m/s g=9.8m/s2 For the car to b...
Q: Two objects are connected by a light string passing over a light frictionless pulley as in Figure. T...
A: The velocity of mass 2 is: V = √ (2.4 m. 2.45 m / s²) = 588 m / s Explanation: The speed of mass 2...
Q: y(t)=y0+vy0t-0.5gt2 1) Using algebra shows that a meteor, initially at rest(vy0=0) will take about 2...
A: The formula to calculate the final position of the meteor when if falls down is given by y(t)=y0+v0y...
Q: Based on the following Figure, the floor cavity ratio, FCR s. .... 1m 3 m section 0.5m 16 m 12 m pla...
A: B option
Q: the figure, a particle moves along a circle in a region of uniform magnetic field of magnitude B = 3...
A: Given, B=3.5mT F=2.9*10-15 N a. since we know , F= qvBspeed of particle,v=FqB=2.9×10-151.6×10-19×0...
Q: A tape moves over the two drums shown. Drum A weighs 1.4 lb and has a radius of gyration of 0.75 in....
A:
Q: 12-
A: Given data, Original frequency of the ultrasound wave = 2.0 MHz Speed of the source = 26 cm/sec Spee...
Q: why is the following impossible? starting from rest, a charging rhinoceros move 50m in a straight li...
A: Given, initial speed =0m/sfinal speed =8m/sdistance =50m time =10 s
Q: Figure shows a horizontal flow of water through asluice gate, a hydraulic jump, and over a 6-ft shar...
A: Step 1 of 5 Draw the trajectory of the flow of water though the sluice gate: Step 2 of 5 ...
Q: Why dorsal fins are used?a) To improve tail-effectiveness at high slide slip angleb) To reduce tail-...
A: To improve tail effectiveness
Q: A bullet of mass 20g is found to pass two points 30m apart in a time interval of 4s. Calculate the k...
A: Given information: The mass of the bullet, m=20 g=20×10-3 kg The distance covered by the bullet, S=3...
Q: b) In the ALPHA antihydrogen experiment at CERN, the antiprotons travel tothe experiment down a beam...
A: Given:- Change of antiproton p¯ Qp¯ = -Qp = -1.6×10-19Cchange in kinet...
Q: In a simple harmonic motion, when the displacement is one half the amplitude, what fraction of the t...
A: To answer: In a simple harmonic motion, when the displacement is one half the amplitude, what fract...
Q: Solve this question as soon as possible
A: Given: Curve represent the record of the data for measurement of static and kinetic friction and res...
Q: In a roof supporting space truss, the load is transmitted as:a) First to the truss then the joints t...
A: Option a
Q: A circular disk has a radius R and mass M. A hole with a diameter R is drilled on it as shown in the...
A: The formula to calculate the total surface area of the whole disk is given by A=πR2....................
Q: ponent of Rin x' and y' axi У ахі
A: Given: The Component of R in x' and y' axis is determined below.
Q: A student uses two springs for the experiment. The force constant of the thin spring (k,) is 2.2 N/m...
A:
Q: If the total energy between atoms is U, = A exp(-R/p) then, the term that represents the repulsive e...
A: For first question,
Q: Question 3: i. Define the normalized frequency for optical fiber and explain its use in the determin...
A: Normalized Frequency denoted by V, is a dimensionless parameter which determines the number of modes...
Q: 2-A spacecraft is measured to be 120.0 m long and 20.0 m in diameter while at rest relative to an ob...
A: Length Contraction Length Contraction is a phenomenon that occurs due to the effect of the special t...
Q: An ice cube and a stone are put in two different glasses of coke. If we know that temperatures of co...
A: To solve this question, we will use the concepts of thermal heat capacity of substances. We know whe...
Q: A mass m is vertically suspended from a spring of negligible mass; the system oscillates with a freq...
A: Given: The frequency of the system, if a mass 4m is suspended from the same spring is identified be...
Q: Write the formula for Fermi-Dirac distribution function.
A:
Q: What is the difference between photoelectric phenomena and Thermionic emission phenomena
A: as
Q: D 0.68 W
A: Given: To find out the power using the given values as, V=1.5V,I=0.45A
Q: Four point charges are located at the corners of a square. Each charge has magnitude 3.70 nC and the...
A: Given : Magnitude of each charge, q = 3.7 nC = 3.7 ×10-9 Length of the side, a = 3 cm = 3 ×10-...
Q: What sort of energy does flying bird posses?
A: Kinetic energy and potential energy
Q: In a simple harmonic motion, when the displacement is one half the amplitude, what fraction of the t...
A: Option b
Q: A force vector with magnitude R and making an angle α with the x-axis is having its component along ...
A: The component along the x-axis is the cosine component of the vector. And the y-axis component of th...
Q: The frequency of incident photon so that the atom makes a transition from E1 to E2 should be _______...
A: Ephoton=E2-E1hf=E2-E1f=E2-E1h
Q: A vehicle, with a horn of frequency n is moving with a velocity of 30m/s in a direction perpendicula...
A: n = 0
Q: A carrier is simultaneously modulated by two sine waves with modulation indices of 0.4 and 0.3. The ...
A: The process of sending a message signal from one place to another is more complex than it seems. In ...
Q: 8.For Spring mass damper system, m=1 Kg, k=1N/m, c=1/4 N.s/m, subjected to harmonic excitation force...
A: Option c is correct
Q: Force A: 10 N to the left (180 degrees from +x) Force B: 35 N to the upper right, 30 degrees above +...
A: Given: Force A: 10 N on left. Force B: 35 N to the upper right, 300 above positive x. Force C: The n...
Q: Why is the strain the fundamental property but not the stress?a) Because it is dimensionlessb) Becau...
A: C
Q: An engineer wants to wind 10 turns of wire on a cylindrical rod. He/she measures the diameter of the...
A: Option b
Q: Thermal energy is produced in a resistor at a rate of 148 W when the current is 2.57 A. What is the ...
A: Power dissipated as heat is: P=i2Rfor RR=Pi2
Q: A thin glass rod is bent into a semicircle of radius r= 2.7 cm. A charge +q = 6.0×10¬° C is uniforml...
A: Given semicircle radius r=2.7cm=0.027m and q=6.0x10-6C Upper half has positive charge while lower ha...
Q: Electron of 5 eV is incident on a barrier of height 10 eV and 0.1 nm width.Find the transmission pro...
A: The formula for transmittance or transmission probability of electron with energy E incident on a po...
Q: For this problem, use a coordinate system with "up" as the "positive" direction. Brenda is standing ...
A: Except vertical displacement,
Q: RLC Cat,.c e3ohm :L=ovi ; ( » /5o has Sovece vəltoge Shore Peroi d, eaval to 5 valt s, Connec ted fe...
A: Option b
Q: the short rate r4 =
A: Given: To find the rates using the given conditions as,
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