Explain briefly the existence of surface tension at the boundary of biological fluids.

Q: A plastic bowl is floating in a sink full of water. Which of the following describes the microscopic...

A: Plastic bowl is floating due to the push by the surface of water on surface of the bowl. Thus the fo...

Q: Problem: Consider that the trunk has mass M travels at a constant velocity along a frictionless incl...

A: Given,  mass of trunck is M which pulling by rope on a inclined and moving with constant velocity  

Q: A student asserts that a material particle must always have a speed slower than that of light, and a...

A: Yes, a material particle must always have a speed slower than that of light and a massless particle ...

Q: The current amplitude in a pure inductor in a radio receiver is to be 250 µA when the voltage amplit...

A: Part-a Given: Current amplitude in a pure inductor in a radio receiver I0 = 250 µA. Voltage amplitu...

Q: Two pieces of clay collide and stick together. During the collision, which of these statements are t...

A: Given, two pieces of clay collide and stick together. So, it is the case of an inelastic collision. ...

Q: angle is 22 degrees   angle uncertainty is 0.017453 radians

A: Given values, a→=gsinθδa≈gδθ θ=220δθ=0.017453 rad

Q: Why doesn’t the total energy of a collection of fermions approach zero as the temperature approaches...

A: Consider electrons in bands. As the temperature approaches zero, the electrons move into lowest non-...

Q: Is polarization a property of all electromagnetic waves, or is it unique to visible light? Can sound...

A: Introduction: Polarization is the attribute that wave oscillations have a definite direction relativ...

Q: 1) Consider the following charge configurations below. Here q, = 5 µC, q2 = 5 µC, and q3 = 10 µC. Th...

A:

Q: The power factor of an L-R-C series circuit is 0.800. The angular frequency is 1.30 x 104 rad/s, the...

A:

Q: Use Kirchhoff’s rules to calculate the current in each branch. Assume that each resistor has a resis...

A: Given: Each resistor has a resistance of 100 Ω. The voltages are V1= 9 V and V2= 12 V. The circuit i...

Q: Sand moves without slipping at 6.0 m/sm/s down a conveyer that is tilted at 15∘∘. The sand enters a ...

A: The equation of motion for projectile motion is given by Where x = Represents horizontal motion, y ...

Q: T Total: 45 1 Spherical head 2 Torso and neck, etc. 3 Concha 4 Pinna flange 5 Ear canal and eardrum

A: Given: The "T" curve is as follows: Introduction: The outer ear acts as a filter or resonator and a...

Q: Please do J, K, and L

A: According to equation (2)  x^ = h2mωa^+ + a^ The unit of Planck's constant is Kgm2s-1, the unit of m...

Q: The smallest object we can resolve with our eye is limited by the size of the light receptor cells i...

A: Part-a Given: Diameter of eye sphere s' = 2.5 cm. Near point of object s = 25 cm. Diameter of light...

Q: A light string can support a stationary hanging load of 22.4 kg before breaking. An object of mass m...

A: In the circular motion of an object, centrifugal force acts on the system. The centrifugal force is ...

Q: Two point charges are separated by a distance of 10 cm. Charge on point A =+10 μC and charge on poin...

A: Given values, QA=10 μC=10×10-6 CQB=-5 μC=-5×10-6 Cd=10 cm=10×10-2 m

Q: In the experiment by Jönsson, 50-keV electrons impinged on slits of width 500 nm separated by a dist...

A: Given: The voltage applied on slits isV=50 keV. The width of slit is x=500 nm. The distance between...

Q: Consider a wave packet having the product ∆p ∆x = h at a time t = 0. What will be the width of such ...

A:

Q: Fluorescent lights often use an inductor, called a ballast, to limit the current through the tubes. ...

A: A resistor loses energy in the form of heat when current flows through it. Heat lost is given by H=i...

Q: (b) From what height (in m) would the sphere have to be dropped to reach this speed if it fell with...

A: Without air resistance, the object falls with a constant acceleration equal to the acceleration due ...

Q: The acceleration of block of mass 5 kg is: (Neglect FTiction) 150N *10 kg 5kg (A) 5 m/s (B) 10 m/s? ...

A: Mass of smaller block m1 = 5 kg Mass of bigger block m2 = 10 kg External force F = 150 N  

Q: What is the main objectives and purposes of e/m of electron experiment? (Please give me hand written...

A: The main objective is to find the charge over mass ratio of electron.

Q: Consider a box of length 2L, where L = 1 m.  The bowstring is made up of two cords of natural length...

A:

Q: 11.15 A cylinder is separated into two compartments by a free sliding piston. Two ideal Fermi gases ...

A: Using the expression for fermi energy, EF=ℏ22m6π2ngd23                     Number density, n=NV Ther...

Q: A sample of radioactive nuclei has N0 nuclei at time t = 0. The half-life of the decay is T1/2. In t...

A: Activity is, R=-∆N∆t

Q: The 3s state of neon (see Figure ) is 16.6 eV above the ground state. (a) Estimate the relative popu...

A: Part-a Given: Energy of 3s state of neon E3 = -16.6 eV. Temperature T = 293 K.

Q: An unknown element is used as a target in an x-ray tube. Measurements show that the characteristic s...

A: Given: The characteristic spectral lines with the longest wavelengths are 0.155 nm and 0.131 nm. Int...

Q: In a fireworks display, a rocket is launched from the ground with a speed of 18.0 m/s and a directio...

A: The Horizontal distance moved by the center of mass of the two pieces is, R=v02sin2αg Use the given ...

Q: You sight along the rim of a glass with vertical sides so that the top rim is lined up with the oppo...

A: Given, Height of cylinder, H=16 cm Diameter of bottom, D=8 cm

Q: A positive unit charge is at a distance of 200 pm from a molecule of hydrochloric acid. Calculate th...

A: Let p denote the dipole moment of the hydrochloric acid molecule, r denote the distance of the charg...

Q: Situation 7. The L-shaped bar is supported by a bearing at A and rests on a smooth horizontal surfac...

A: Given: The vertical force F = 4 kN. The distance of the force from the corner of the bar b = 0.15 m...

Q: When jumping straight upfrom a crouched position, an average person can reach a maximum heightof abo...

A: Given: The maximum height of the jumper to reach is hmax=60 cm. The height reached by the jumper is...

Q: (a) Electromagnetic Filed Tensor FHrin array form is E-/c E,/c_E/c -Ez/c -Ey/c -B. В, B. —Е,/с — В, ...

A: We know, B→=∇→×A→E→=-∇→ϕ-1c∂A→∂t The vector potential A→ in four vector form is: Aμ=VcAxAyAz      

Q: 2.66 x 10-26 kg) is traveling inside a An oxygen O²- ion (m mass spectrometer with a speed of 42.5 k...

A:

Q: An electron with initial kinetic energy 5.5 eV encounters a square potential barrier of height 10.0 ...

A: Given: Kinetic Energy, E = 5.5 eV Potential Energy, U0  =10.0 eV Need to find the probability of tun...

Q: I need it in less than 10 minutes. Please

A:

Q: An airplane is dropping bales of hay to cattle stranded in a blizzard on the Great Plains. The pilot...

A: According to kinematics equation, y-y0=voyt+12ayt2 In this case, v0x=v0cosα0=(75m/s)cos55°=43.0m/sv0...

Q: When an object is placed at the proper distance to the left of a converging lens, the image is focus...

A: Given: Need to find the focal length of the diverging lens. The image is focused on a screen  30.0 c...

Q: Answer with work

A: The Eigenvalues of the inertia matrix are the principal mass moments of inertia. Therefore, calculat...