Gold is one of the most malleable and ductile metals. If the density of gold is 19.32 g/cm3, then when a mass of 27 g of gold is withdrawn to make a paper 1 micrometer thick, the area of the gold leaf is.
Q: A merry-go-round starts from rest and undergoes an angular acceleration of 2 rad/s2 for 30 seconds.…
A: The merry go round is initially at rest, and starts rotating with a constant angular acceleration of…
Q: Two coils close to each other have a mutual inductance of 29 mH. The current in one coil decays…
A: Given that-L=29mHI=I0e-αt equation 01here, I0=6 Athen, α=1.5×103 By using Faraday's law of…
Q: The Electric Field is E=8,6a₂+ Aay+ 6,8a, in the region z>4,3 with the dielectric constant , = 7,2.…
A:
Q: 2. Derive the formula for time dilation using the inverse Lorentz transformation.
A: The Lorentz transform represents the relationship between two coordinate frames with a constant…
Q: #4
A: Given that,Mass of the object : m = 3.54 kgAcceleration due to gravity : g=9.81 m/sec2Coefficient of…
Q: QUESTION 8 A parallel plate capacitor with air between the plates has plates of area 1.00 cm2…
A:
Q: In a balanced meter bridge the segment of wire opposite of 40 is resistance is 40 cm. Determine the…
A: To find-Unknown resistance (X)=?Given-Resistance (R)=40 ohmLength of segment opposite to R is…
Q: a 2.0kg block moving with an initial speed of 5m/s slides on a rough table and it stopped by the…
A: Given: The mass of the block is 2 kg. The initial speed of the block is 5 m/s.…
Q: s excited, to what level will the electron move?
A: This question requires molecular orit filling of CO as shown in diagram.
Q: 3. Interpret the spin-parity assignments for first three energy levels of a) 158 pm, b) 166 Er, c)…
A:
Q: A synchronous motor of negligible resistance is receiving 25% of power that it is capable of…
A: Given, Power supply, Ps=25% of Pmax Ps=25100×PmaxPsPmax=14 For the maximum load, the power of the…
Q: A thermometer is removed from a room where the temperature is 70° F and is taken outside, where the…
A: Given, The temperature at time t=0, T0=70°F Ambient temperature, Ts=18°F The temperature at the time…
Q: An elevator of mass 500 kg descends with an acceleration of 2 m/s^2 for a distance of 12 metres.…
A: Force brings about motion and changes in it. This force produce acceleration and hence the changes…
Q: In a biprism the distance between slit and eyepiece is 1m. If the convex lens is interposed at a…
A: To find-Distance between the two virtual images of the slit (d)=?Given-d1=0.7 mmu=30 cmv=100-30=70…
Q: Part A You pick up a 2.5 kg can of paint from the ground and lift it to a height of 1.3 mi How much…
A: The 2.5 kg can of paint has a weight given as F=mgF=2.5×9.8F=24.5 N This weight of the can is the…
Q: A-The I-V characteristics of a light bulb are provided in Fig.(2) If the rated voltage is 120 V,…
A: Given: Part A The rated voltage is V=120 V. The current is I=625 mA=0.625 A. Part B The number of…
Q: You release a snowball from rest at the top of a 15 m tall platform. Your friend, directly below…
A:
Q: Suppose the rod in the figure has mass-050 kg and length 26 cm and the current through it is /-30 A…
A:
Q: A tank of water has a volume of 60 cubic meters that needs to be filled with water for 5 hours. If…
A: volume of water V = 60 m3 density of water d = 1000 kg/m3 time t = 5 hours mass of water m = density…
Q: Task (1) Consider a reheat Rankine cycle with a net power output of 100 MW. Steam enters the…
A: Solution:- Given; The net power output, P = 100 MW The pressure of…
Q: An aluminum cylinder, with a mass of 51.5 grams, a diameter of 2.52 cm, and a height of 3.75 cm, and…
A:
Q: The wavelength of a light in air and in O a medium are 6000 A and 4000 A respectively. If c is speed…
A: To find-Speed of light in that medium will be (cm)=?Given-λm=4000 A0λa=6000 A0Speed of light=c
Q: If a 6.0 V battery with 0.20 A of current is connected to three identical light bulbs in series,…
A: The series circuit s given. we will find the voltage and current across each bulb
Q: Determine the heighth above the base B at which the resultant of the three forces acts. 220 lb 38"…
A: Equilibrium occurs when all external forces and couples acting on a given object are zero. The…
Q: A garden hose having an internal diameter of 0.750 in. (1.9050 cm) is connected to a lawn sprinkler…
A: Given: The internal diameter is 0.750 in. or 1.9050 cm. The diameter of the hole is…
Q: U01
A: Given that:-Magnetic field intensity, B=3×10-3 TTurns, N=100Angles=60Magnetic flux=0.15 Wb
Q: A mass-spring system is initially at its equilibrium point with an initial velocity of 7 m/s in the…
A: Given:mass of the block, m = 2 kgspring constant, k = 10 N/mdamping constant, b = 8 Ns/mExternal…
Q: The uniform 21-m pole has a mass of 100 kg and is supported by its smooth ends against the vertical…
A: Given: Let us consider the given data, W=100×9.81 N Determine the magnitudes of reactions A and B.
Q: Three charges are located at the corners of a right triangle where q1 = 2.1 nC, q2 = 4.5 nC, and q3…
A: Have a look dear
Q: Air as a perfect gas flows in a nozzle, it reaches critical condition at its exit, the nozzle…
A: Solution:- Te= Total exit temperature Ts =…
Q: B 670 mm 33⁰ Answer: Mo= i DA 450 mm N-m
A: Given:
Q: he combined action of the three forces on the base at O may be obtained by establishing their…
A: The moment of couple or torque is equal to the product of one force and the perpendicular distance…
Q: The amount of heat is negative when: 2 poin The body loses heat O The body gains heat The body is in…
A: Answer: The Correct option is A .
Q: A ball is dropped in a stationary elevator and hits the floor in 0.65 s. How long does it take for…
A: Given that, A ball is dropped in an elevator, which is in a stationary state. The total time the hit…
Q: You are a jungle scientist. Your boss gives you the following alligator dive diagram. Your boss…
A: Given: The gator travels west on the swamp surface d1 = 100 m Then the gator travels in the…
Q: a Solenoid that will generate the faria magnetic field at a given voltage using a copper with a mass…
A: The radius of the solenoid must be reduced to get large Number of turns in solenoid.
Q: 30. The waveforms in Figure 6-81 are observed on the inputs of a 74HC151 8-input multiplexer. Sketch…
A: In this question, we have to make a table for the output waveform and with the help of the table…
Q: A certain amount of heat heats 5 grams of substance A by 10 degrees and 5 grams of substance B by 12…
A: Simple problem from Thermodynamics. Please Consider; The substance which heat up less on supplying…
Q: Q / which type of spectral line broadening is less important compared to other type
A: The problem is based on spectral lines. A spectral line is a dark or bright line in an otherwise…
Q: Two condensers of capacitors C, and C are joined in parallel and this combination is joined in…
A: To show that-Cs=C3C1+C2C1+C2+C3Given-From the figure,We see that-C1 and C2 are joined in parallel.
Q: 3.1 A point charge Q is placed at a height, d above an infinitely large conducting sheet. What is…
A:
Q: A hollow sphere has an outside radius of 1m and is made of polystyrene foam (k=0.033 W/m K) with a…
A:
Q: * Match the beginnings of the sentences (1-9) with the endings (a-l). Not all .the endings are used…
A: 1 f 2 k 3 j 4 h 5 i
Q: Dielektrik sabiti e, = 4,4 olan z>7,3 bölgesindeki Elektrik Alan E = 4 â+ Aây+ 8,8 â dir. Dielektrik…
A:
Q: fluid is connected to an air duct. Will the oil lev Explain your answer based on Bernoulli equation
A: Given as,
Q: A 60.0-kg skater begins a spin with an angular speed of 6.0 rad/s and of moment of inertia 3.0…
A:
Q: Q2: A- According to the emission lines principles and depending on Rydberg constant for hydrogen…
A: Given that, the energies level are n= 4, 5, 6, 7, 8 We have to determine the frequencies from the…
Q: A long distance runner has a speed of 4 meters per second during a race. How far does the runner…
A: Given that-The speed, V=4m/sTime, t= 20 minutesDistance traveled by runner. d=Vtwhere, t=20…
Q: Q4/ Calculate the threshold pumping power in watts per cubic meter for a three-level pumping scheme…
A: Solution:- We know the pumpinνg power of a laser device is,…
Q: Ex. 55: When a voltage of 200 volt is applied across an inductance coil a current of 20 mA passes…
A: To find-(XL)=?Given-Erms=200 VIrms=20 mAIrms=20×10-3 A
Step by step
Solved in 2 steps
