2. A car of mass 1000kg accelerates to 10ms (a) Calculate the gain in KE of the car. (b) If the engine is 50% efficient how much energy was put into the engine?
Q: Compute the magnitude of the angular momentum of hydrogen atoms in the 2p state (numercially).
A: l=1 L=l(l+1)h=2h=1.49×10-34 Js
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A: C
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A: Potential energy of the neutral silver atom in a magnetic fieldU=-μ→.B→ =-μzBμ is the magnetic mom...
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A: Option d
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A: Given that: R1=10cm=0.10mr2=15cm=0.15mq=+3.8 nC=3.8×10-9 CF=11×10-6 NLet, ρ=charge per unit volume o...
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A: Option c
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A: Option
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A: Given data VA=8.5 m/sVB=1.1 m/sρ=1.2 kg/m3
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A: C
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A: Option c
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A: The radial wavefunction or eigen function of hydrogen atom is given as
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A: Option c
Q: Advanced Physics Question
A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,...
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A:
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A: Given- Flow rate (Q) = 800 cm3/min Radius ( r1 ) = 3.0 cm Radius ( r2 ) = 5.0 cm
Q: When fatigue occurs above __ cycles, it is called high cycle fatigue. a) 10 b) 103 c) 106 d) 108
A: Option b
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A: The area of which moment of inertia has to be calculated is as follows:
Q: potential energy V(x). An alternate way of approaching this problem is by directly considering the r...
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A: When the density of the nucleus is less than a certain critical density, the universe will keep expa...
Q: Two trains A and B of length 400m each are moving on two parallel tracks with a uniform speed of 72k...
A: D
Q: Please write all details and properties. I would much appreciate it a lot. Any property or remark, r...
A: Given that: Thickness of the slab is 2d Uniform volume charge density=ρ C/m3 let the surface charge ...
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A: Option b
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A:
Q: Stars appears to move from east to west because A. all stars move from east to west B. the earth r...
A: Option b
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A: Zero
Q: Which of the following stays in equilibrium even after being slightly displaced? a) Stable equilibri...
A: The correct option is A. Stable Equilibrium.
Q: how doppler effect has helped some professionals like (1) doctors and (2) astronomers in their fiel...
A: Doppler shift or Doppler effect is defined as the change in frequency of sound wave due to a reflect...
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A:
Q: The radius of gold nucleus is 41.3fermi. Express its volume in m3. a) 41.3×10-15 m3 b) 2.95×10-40 m3...
A: Option
Q: RADAR is used for A. locating submerged submarines B. receiving a signals in a radio receiver C. l...
A: Option d
Q: Argon gas enters an adiabatic compressor at 14 psia and 75°F with a velocity of 60 ft/s, and it exit...
A: Given that the gas enters and adiabatic compressor of isentropic efficiency 87% at 14psia at 75°F wi...
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A: Given amplitude is A. The potential energy of the harmonic system is directly proportional to square...
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A: Consider that the origin is set at the point where the cars A and B collide. The position of the ini...
Q: If gravitational constant is decreasing with time, what will remain unchanged in case of a satellite...
A: Areal velocity
Q: The flying wheel attached to the shaft of steam engine works on the principle of ___________ a) Cent...
A: Option b
Q: a
A: Given diagram:
Q: Determine the gravitational force, in kips, exerted bythe sun on the earth.
A: This is a problem from gravitation. We will use newton's universal law of gravitation to solve the g...
Q: Which of the following is the correct expression for the total number of nodes? a) n – 1 b) l – 1 c)...
A: Option a correct
Q: R3-3. The hood of the automobile is supported by the strut AB, which exerts a force of F - 100 N on ...
A: The position vector of point A in the given figure is : rA=i^+0j^+0k^ The position vector of point ...
Q: A young star of several solar masses is called as ____________ a) LBV1806-20 b) Mira c) Cepheid d) S...
A: C
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A: Given data, Mass of bullet = m Mass of pendulum = M Initial velocity of bullet = v Final velocity ...
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A: Here for F=ma and for F=-kx can be together combined to form a single equation given by ma=-kxa=dvdt...
Q: Find the wave function and its energy by solving the Schrodinger equation below for the three-dimens...
A: We have given the Schrodinger equation; -ħ22m∂2∂x2+∂2∂y2 +∂2∂z2ψx,y,z = E ψx,y,zHere;∂2∂x2+∂2∂y2 +...
Q: PMMC instruments can be used as a fluxmeters by
A: A PMMC or a permanent moving magnet coil instrument can be used as a fluxmeter by removing the contr...
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