A pebble is dropped in a lake; and it produces ripples with a frequency of 0.50 Hz. When should a second pebble be dropped at the same place to produce destructive interference?
Q: A fan blade is rotating at 90 Hz when someone switches the fan to the next lowest setting. As a…
A: Give that-Initial frequency, fi= 90 HzInitial angular speed,ωi= 2πfi=2π×90Hz=565.49 rad/secFinal…
Q: The noise a lawn mower produces is 80 dB. How much noise is from 12 identical lawn mowers?
A: Given that-Noise=80 dBLet I is the intensity of one lawn mowers.for 12 lawnIntensity, I1= 12×IWe…
Q: 3 Units a N•m^2/C V 4
A:
Q: If the radius of a calcium ion is 0.19 nm, how much energy does it take to singly ionize it? Give…
A: Given that-Radius of calcium ion, R= 0.19 nm=1.9×10-10 mWhere for Calcium , z= 20a0= 5.29×10-11We…
Q: 3. Find the short circuit current density for a solar cell that has a quantum efficiency that is…
A: Given: The band gap of the cell is 1.4 eV. The temperature of the sun is 5770 K.…
Q: To increase the intensity of a wave by a factor of 50, by what factor should the amplitude be…
A:
Q: Plz send me the solution
A: Given that-Length of resistance, l= 5.00 mResistance, R= 5.10 mΩArea of cross-section, A= 16.8×10-6…
Q: A uniform magnetic field points north; its magnitude is 1.40 T. A proton with kinetic energy 2.00 ×…
A: Given, The magnitude of magnetic field (B) =1.40 T The kinetic energy of the proton (KE) = 2×10-13…
Q: A fan blade is rotating at 90 Hz when someone switches the fan to the next lowest setting. As a…
A:
Q: In the given situation a block, of mass 10 kg is on the ground and given initial velocity 50 m/s.…
A: Solution:-Given that
Q: 4.5 mol of monatomic gas A interacts with 3.0 mol of monatomic gas B. Gas A initially has 8900 J of…
A: Given, Monoatomic gas A interacts with monoatomic gas B nA=4.5molEAi=8900JnB=3.0mol
Q: A steam power plant operating in a Rankine cycle hassaturated vapor at 3.0 MPa leaving the boiler.…
A:
Q: 9 A 75-g projectile traveling at 600 m/s strikes and becomes embedded in the 50-kg block, which is…
A:
Q: L/₂ L/2 тогрест-2 L = 0.03 m 2 A = 0.000 m -6 мсти
A: Given: The distance between the two plates is L = 0.03 m The area of the plate is A = 0.0009 m2 The…
Q: If you were to shake the end of a taut spring up and down 10 times a second, what would be the…
A: Given that-The Spring shakes up and down 10 times in a secondWe know-Time, T=1fwhere,T is the time…
Q: Calculate the kinetic energy in Joule, of a car of mass 1300kg travelling at 50km/h.
A: We know that-Kinetic energy, KE=12mv2here, m is the mass of the objectv is the velocity of the…
Q: G. State two common tests used to determine mechanical properties. H. Briefly explain the…
A: G)Tensile testing and compressive testing are two common tests used to determine mechanical…
Q: A car is moving at 25 m/s along a straight highway. How long it will take the car to stop if it…
A: Given that-vo= 25 m/sv=0 (as car stopped finally)acceleration, a=-10 m/s2 Negative means car is…
Q: B and F (k²-k²²) (1-e²¹k'a) (k+k')² – (k − k')² e²¹k'a Prove the equation 4k²k²² (k²-K²) sin k'a…
A: Given, BA=k2-k'21-e2ik'ak+k'2-k-k'2e2ik'aFA=4kk'ei(k'-k)ak+k'2-k-k'2e2ik'a
Q: 3.7×1020 electrons are flowing past any point in a wire per minute (electron charge = -1.6×10-1⁹ C).…
A: Given that-Number of electrons, N= 3.7×1020Time, t= 1 minute= 60 secElectron charge, q= -1.6×10-19…
Q: Derive hermite given Set interpolation. 16la of data points (Xi Yiyi) i = 0,1,2
A:
Q: A sphere of mass 3.5 × 10-4 kg is suspended from a cord. A steady horizontal breeze pushes the…
A:
Q: 5. A sound wave travels at 343 m/s in air. If a note of frequency 500 Hz is played, how long is the…
A: We know that-Wavelength, λ=Speed, vfrequency, f Equation 01where, 'v' is the speed of sound'f'…
Q: s Balancer Torque
A: Given: AB=1600 mmBD=850 mmO2A=800 nmO4B=1750 mmBC=2800 mmO4D=1000 mm
Q: In the figure, block A (mass 1.3 kg) slides into block B (mass 2.7 kg), along a frictionless…
A:
Q: The figure shows two blocks connected by a cord (of negligible mass) that passes over a frictionless…
A:
Q: (d) State the expression for the divergence of Fin cylindrical polar coordi- nates and evaluate for…
A:
Q: A constant force acts on a body of mass 0.9 kg at rest for 10s. If the body moves a distance of 250…
A: Given data, Mass of the body m = 0.9 kg Body is initially at rest u = 0 m/s Distance traveled S =…
Q: An electromagnet is made by inserting a soft iron core into a solenoid. The solenoid has 1800 turns,…
A: Given that, A soft iron core is inserted inside a solenoid. And the relative permeability of the…
Q: A substance weighs 2 lbs in air and 1 lb in water. What is its weight in the moon if it is…
A: Mass is inherent property of matter and is unique to it. Weight is however the gravitational pull…
Q: The motion of an object is depicted by the position-time graph below. Various time intervals during…
A: We can see,Graph starting from 0 to A continuously.
Q: • Tungsten (W) has the bcc crystal structure. The radius of the W atom is 0.1371 nm. The atomic mass…
A: Solid structure.
Q: You are working as an expert witness for an environmental agency. A utility in a neighboring town…
A: The electric power produced from turbines is given as, P, The take-in steam temperature is given as,…
Q: Calculate the effective resistance of a pocket calculator that has a 1.35-V battery and through…
A: Given that-Voltage, V= 1.35 VoltCurrent, I= 0.200 mA= 200 AResistance according to ohm's…
Q: Calculate the absolute pressure at an ocean depth of 1.0 km. Assume that the density of Water Pwater…
A: Given that-Depth of ocean, h= 1 km=1×103mDensity of water, ρ= 1.025×103 kg/m3Atmospheric pressure,…
Q: Can Compton scattering occur with protons as well as electrons? For example, suppose a beam of x…
A: EM radiation like light is said to be of dual nature. This means that they show both particle nature…
Q: (i) Calculate the mutual inductance of the two solenoids. (ii) Calculate the self-inductance of coil…
A:
Q: the frequency of the fork.
A: Intial length = l1 Length is increased by4% then Final length l2 = l1 + (4/100)l1…
Q: 30° 1 m -2.5 m -4 m- B с 0.25 m
A:
Q: What is the time period of a sound wave with velocity 250 m/s in air and a wavelength of 0.50 m?…
A: Given that-Wavelength, λ=0.50 mSpeed of wave, c= 250 m/sWe know that-Wavelength,…
Q: Given the table. Find for the percent error direction of the component method and the graphical…
A: Given, From the data table, The true value of resultant force is Magnitude 142590 dynesDirection…
Q: Question 2.5: A new unit of length is chosen such that the speed of light in vacuum is unity. What…
A: Given data, speed of light is given as unity as new unit of length, Time is given t=8 min 20…
Q: A baby carriage is sitting at the top of a hill that is 21 m high. The carriage with the baby has a…
A: Given that-Height of hill, h= 21 mMass of carrage with baby, m= 1.5 kgPotential energy pf carriage,…
Q: Starting from rest, a plane is able to go from 0 m/s to 70 m/s over the course of 7 seconds. During…
A: Given that-Initial velocity, vi= 0 m/sFinal velocity, vf= 70 m/sTime taken, t= 7 secWe know…
Q: The electrical force between the two charges 10µC and 5μC placed at a distance of 150 mm is 0.2 N O…
A:
Q: A substance weighs 2 lbs in air and 1 lb in water. What is its weight in the moon if it is…
A: Weight of the substance in air, is the original weight of the substance, W=2 lbs=8.896 N Weight of…
Q: Q1) An electron with kinetic energy K = 5GeV A) Calculate the De Broglie Wavelength (in m). B) Is…
A:
Q: In the figure, a crate of mass m = 110 kg is pushed at a constant speed up a frictionless ramp (0 =…
A: Given mass m = 110 kg Angle of ramp = 26o
Q: Calculate the effective resistance of a pocket calculator that has a 1.35-V battery and through…
A: Given that-Voltage, V= 1.35 VoltCurrent, I= 0.200 mA= 200 AResistance according to ohm's lawR=VI
Q: A two-spin system is characterized by the Hamiltonian What are the energy levels of the…
A:
12
Trending now
This is a popular solution!
Step by step
Solved in 2 steps