Yttrium-87 has a rate constant of 2.6x10^-6 s^-1. What is the activity of a 780-mg sample in Bq?
Q: Find I3 for the circuit shown. choices 1.43 A 2.40 A 3.83 A 4.75 A
A: Given Find the current I3 for the circuit shown below.
Q: A mass weighing 6 lb stretches a spring 24 in. Suppose the mass is displaced an additional 7 in in t...
A:
Q: The movement of solid molecules are freer than liquid False True
A: The density of solid is higher than that of liquid and gas. The space between the particles of a sol...
Q: f(x, y) = (cos(x) + cos(yV3/2 – a/2) + cos(yv3/2+x/2))² Plot the contours of this function for -3 n<...
A: A contour plot is a graphical method to visualize the 3-D surface by plotting constant Z slices call...
Q: Consider a quantum mechanical particle whose potential energy is: -kx²- Derive the quantized energy ...
A: This is a two dimensional an-harmonic oscillator because we have two different frequency in both x a...
Q: C3 С) 3 6.00 р/F, C2 C2 = 1.00 µF, %3D a Сз 3 3.00 рF, C4 C4 = 6.00 µF, Vab = = 12.0 V C1
A:
Q: 7. The effects of atmospheric drag cannot be deglected, in general, on the dynamics of objects movin...
A: Given: The drag force is given by FD=0.5 ρA CD v2 For a baseball CD=0.3 Calculation: (a) Using the g...
Q: A current of 5 A flows through an electric neater of resistance 22 Q. The voltage drop across the he...
A: Given Current i = 5 A Resistance R = 22 ohm
Q: A satellite is in a Mars orbit for which the perigee altitude is 350 km and the apogee altitude is 6...
A:
Q: 1) A) What relationship between the differences and the wavelength best describes your data? Why? a....
A: A) a) The first relationship is of the path differences between the two interfering waves, for maxim...
Q: A satellite is in a Mars orbit for which the perigee altitude is 350 km and the apogee altitude is 6...
A:
Q: 6. A car turning on a banked road, considered frictionless (say, covered with ice), negoti- ates the...
A: When moving on a banked turn, a car experiences a centripetal force, which is directed inwards along...
Q: 0. Carrier Distribution at Equilibrium, Part 4 Repeat the above problem for the case when, Ec - EF =...
A: This is very easy as well as clever at the same time. Now It is recommended that to derive the expre...
Q: List and explain four importance of measurement
A: Introduction: We have different abilities to distinguish between different physical quantities and a...
Q: 1. If the values of T1= 150, T2= 175 and T3-269, compute for the value of the resultant. and the ang...
A: Given,T1=150, θ1=60°T2=175T3=269, θ3=40°
Q: 2.21. Linearly polarized light of wavelength 5890 Å is incident normally on a birefringent crystal t...
A: Given, Wavelength, λ=5890×10-10m For linear polarization, nπ=2πλny-nxdn=25890×10-101.66-1.49×100×10-...
Q: 1. For an electron in a one-dimensional box of length 10 Å, calculate the following: a) The zero poi...
A: Solution: a). The energy eigenvalue of an electron in one dimension box of length L is given by the ...
Q: solve for the cylindrical and spherical coordinates of vector N=24i-2j+9k and show the illustration ...
A:
Q: A baseball is thrown straight up into the air with an initial velocity of 8 m/s from a height of 0.8...
A: Concept: In this Question we will use the Equation of motion to determine the time taken by the base...
Q: A rocket cruising past earth at 0.800c shoots a bullet out the back door, opposite the rocket's moti...
A: Given that, The velocity of the rocket, v=0.8 c The velocity of the bullet, u=−0.9 c We know that bu...
Q: A18 kg/s of steam expands in a turbine producing 550 kw of power output. The steam enters at a veloc...
A: Given: m˙=1.8kg/s, P=550kW, v1=18m/s, v2=70m/s, ∆H=-400kJ/kg, ∆h=-900mm The work done is : W˙=Pm˙=3...
Q: A motorboat going downstream overcame a raft at a point A: T- 60 min later it turned back and after ...
A: Question no,-2 The flow velocity in km/h. given, Time τ=60 mindistancel from point A=60 km
Q: Which of the following is true regarding the magnitude of the electric force being exerted by two ch...
A: We know that, when two charge q1 and q2 are separated by some distance r then electric force due one...
Q: Q. 27 : Two sources of light 0.5 mm apart are placed at a distance of 1.2 m and wavelength of light ...
A:
Q: Assume the three blocks portrayed in the figure below move on a frictionless surface and a force F =...
A: In this question, we will use Newton's second law of motion,
Q: A wheel rotates with a constant angular acceleration. If the angular speed of the wheel is 3rad/s at...
A: Given that:Angular speed of wheel at t1=3 s is ω1=3 rad/sAngular speed of wheel at t2=6 s is ω2=12 r...
Q: A copper wire of length 2.5 m and cross-sectional area 2.4 x 107 m² has a resistivity of 1.7 x 10*8 ...
A: We know that,Resistance, R=ρLAwhere,ρ=resistivity L=length of wireA=cross−section areaGiven that,L=2...
Q: There is a current of 10A in a flat circular coil having 60 closely wound turns, with a radius of 12...
A: Concept: The number of Magnetic Lines of Force that flow through a unit area of a given material is ...
Q: A converging lens with a focal length of 40 cm and a diverging lens with a focal length of -36 cm ar...
A: Given that,Focal length : f1 = 40 (cm)Focal length : f2 =-36 (cm)Distance : x = 156 (cm)Object heigh...
Q: Question The potential difference across a resting neuron in the human body is about 75.0 mV and car...
A: Given that, Potential difference across the resting neuron = 75 mV =0.075 V Current in the neuron = ...
Q: In the figure a 25 V battery is connected across capacitors of capacitances C - C, - 4.5 pF and Ca -...
A: Given: C1=C6=4.5μF, C3=C5=4μF, C2=C4=2μF, V=25V Refer to the circuit below :
Q: The charge of an electron is e = -1.60217662 × 10-19 C. The coulomb constant is given by k = 8.987 x...
A: Given, charge of an electron is e = -1.60217662 x 10-19 C coulomb constant k = 8.987 x 109 N.m2/ C2...
Q: If vectors A and B have the same magnitude, and A points in the negative x-axis direction while B po...
A: The problem is based upon the concept of vector addition. The given two vectors are equal in magnit...
Q: An astronomer takes a spectrum of an object and see dark portions of the spectrum superimposed on a ...
A: The appearance of a spectrum tells us about the physical conditions which produce light or the objec...
Q: 3. Consider a plane with x, y and z intercepts of 10.05 Å, 6.70 Å and 3.35 Å in an a-Po simple cubic...
A:
Q: hree point charges are spaced apart on an axis as shown in the figure. Q1 is 4 microCoulombs, Q2 is ...
A: Given: The charge Q1 is 4 μC. The charge Q2 is 1 μC. The charge Q3 is 8 μC. ...
Q: (4.1.10) Ball 1 and Ball 2 move along the x-axis. On the graph below I have plotted the positions of...
A:
Q: 0. Carrier Distribution at Equilibrium, Part 4 Repeat the above problem for the case when, Ec – EF =...
A: We will follow the same procedure as you have did to solve question-9, the usual calculus method to ...
Q: 10. Carrier Distribution at Equilibrium, Part 4 Repeat the above problem for the case when, Ec - EF ...
A: It is very simple as well as little tricky. Now it is recommended to derive the question expression ...
Q: Explain the factors that affect projectile movements, such as shot-put throwing or a long-jump.
A:
Q: Ex. 40 : Calculate the de Broglie wavelength of proton, if it is moving with speed of 2 x 10 m/s. Ma...
A: To find-De Broglie wavelength (λ) of proton=?Given-Planck's constant (h)=6.625×10-34 Jsv=2×105 m/sMa...
Q: 10. Carrier Distribution at Equilibrium, Part 4 Repeat the above problem for the case when, Ec - EF ...
A: This is a very simple question as well as clever one. For this perticular question we dont need the ...
Q: Consider the block of glass shown in Fig. 1. If the point source S is 30 cm from the vertex of the h...
A:
Q: A closed vessel having a volume of 1.6 liters holds 3.4 x 10" molecules of methanol vapor. For the m...
A:
Q: luced electric field E(Q) at the po s shown in Figure 1.
A: To Calculate the Induced Electric Field at Point Q, we will calculate the Electric field induced by ...
Q: Q14: A light passes through glass slab o refractive index 1.5 and thickness 2 mm. How much time ray ...
A: time = Distancespeed Here, Distance d=2×10-3 mrefractive index = 1.5 Speed of light v in a medium wi...
Q: Prove that at 0 K, the Fermi-Dirac distribution function is 1 for all energies below the Fermi energ...
A: Prove that at 0 K, the Fermi-Dirac distribution function is 1 for all energies below the Fermi energ...
Q: 1. The figure below illustrates the trajectory of a cannonball. Assume that the cannonball was fired...
A: Components Given: Initial Velocity,v0=100m/sIn x-directionInitial Velocity,ux=v0cosθ=100cosθAccele...
Q: Directions: Identify whether the frame of reference is inertial or non-inertial. Write IFOR or NIFOR...
A: A frame of reference is a collection of coordinates that may be used to calculate the locations and ...
Q: Evaluate the induced electric field E(Q) at the point Q due to a slowly time-varying current i(t) in...
A:
Trending now
This is a popular solution!
Step by step
Solved in 3 steps
