Bacteria vary in size, but a diameter of 2.0 mm is not unusual. What are the volume (in cubic centimeters) and surface area (in square millimeters) of a spherical bacterium of that size?

Q: A wheel of diameter 40.0 cm starts from rest and rotates with a constant angular acceleration of 3.0...

A: (a) The expression for radial acceleration in terms of angular velocity is, arad=rω2                ...

Q: Newton's second law of motion. T, = m,a, (1) T-m,g = m (a –a) m,g -T = m, (a+a,) (3) For movable pul...

A:

Q: Consider a state function that is real, i.e., such that p (x) = p* (x). Show that (p) Under what con...

A: (a) Given: A state function is real such that   ψ(x)=ψ*(x). Introduction: A real function is a mappi...

Q: A proton and an antiproton annihilate, producing two photons. Find the energy, frequency, and wavele...

A: Given data: The initial kinetic energy of each of the particle is E∘=620 MeV. Part (a)  Apply the ...

Q: Is it A B C or D

A: The Big bang is a universally accepted cosmological model of the observable universe that describes ...

Q: A glass dropped on the floor is more likely to break if the floor is concrete than if it is wood. Wh...

A: In the above figure the two forces is acting. One of these has large force for a very short interval...

Q: The maximum resolution of the eye depends on the diameter of the opening of the pupil (a diffraction...

A: Part (a) Given: The size of retina cell is d=5.0 mm. The near point of the eye is D=25 cm. The size...

Q: A radioactive sample of 60Co (t1/2 = 5.271 y) has a β - activity of 4.4 x 107 Bq. How many grams of ...

A: Given: A radioactive sample = 60Co (t1/2 = 5.271 y) β - activity =  4.4 x 107 Bq Need to find how ma...

Q: You are to design a rotating cylindrical axle to lift 800 N buckets of cement from the ground to a r...

A: (a) The rope has wound the axle. The linear velocity of the bucket is equal to the linear velocity o...

Q: Find the maximum height of this projectile provided with this equation

A: At maximum height, the velocity is zero. that is v=0 here the velocity is, v2=vo2+gke-2ky-yo-gk

Q: An atom in an excited state of 4.7 eV emits a photon and ends up in the ground state. The lifetime o...

A: Given Excited state Photon E= 4.7 eVExcited state life time   =1.0×10-13 s.    

Q: Consider the scattering of an alpha particle from the positively charged part of the Thomson plumpud...

A: Given: a) Need to find the largest scattering angle we can expect from a single atom b) Need to calc...

Q: (a) The x-coordinate of an electron is measured with an uncer- tainty of 0.30 mm. What is the x-comp...

A: This problem is based on the uncertainty principle. The mathematical form of the uncertainty princip...

Q: Three small blocks, each with mass m, are clamped at the ends and at the center of a rod of length L...

A: (a) Block 2 is at a distance of L/2 from the axis and Block 1 is on the axis Thus the moment of iner...

Q: (X,Y) +1nC (0,0) +1nC (2,0) meters -1nC (0,1.5) meters Sensor ( yellow button) (2 ,1.5) meters Calcu...

A: Diagram

Q: A mixture of ice and water, initially at 0◦C, poured into 50.0 g aluminum cup, initially at 30.0 ◦C....

A: Given: T1=0oC=0+273 T1=271K T2=30oC=30+273 T2=303K m=50.0g Atomic mass of aluminium is 27 g/mol So n...

Q: Determine the natural frequency w for the system shown in the figure. Consider small oscillations. S...

A:

Q: A 1.9-kg ball is attached to the end of a 0.6-m string to form a pendulum. This pendulum is released...

A: The speed of ball just before collision can found by energy conservation energy of ball at horizonta...

Q: How does the uncertainty principle apply to a known stable atomic system that apparently has an infi...

A: From Heisenberg's uncertainty principle we have, ∆E.∆t≥h4π where  ∆E is the uncertainty in energy ∆t...

Q: A particle P of mass m lies on a smooth horizontal table attached to a long string and inextensible ...

A: Let m denote the mass of the particle at point P, km denote the mass of the particle at point Q, a d...

Q: A small remote-controlled car with mass 1.60 kg moves at aconstant speed of v = 12.0 m/s in a track ...

A: (a) The  net force on car by the wall of cylinder at point A is, Fy=n-mg=mac                        ...

Q: What is the concentration in molarity of an aqueous solution which contains 5.21% by mass ethylene g...

A:

Q: A large crate is at rest on a horizontal floor. The coefficient of static friction between the crate...

A: The net force acting on the crate is, F=mgsinθ+μsmgcosθF=mgsinθ+μscosθm=Fgsinθ+μscosθ

Q: 2) An ideal electric point dipole is a theoretical construction involving two point electric charges...

A: Consider the following diagram:

Q: You live in a town where the streets are straight but are in a variety of directions. On Saturday yo...

A: Let's assume position of our apartment is A and position of the store is S. Then route for Saturday ...

Q: Insulator Metallic Shell An insulating sphere of radius 2 cm and charge -6 uC is surrounded by a sph...

A: According to Gauss's Law The net electric flux through a closed surface is directly proportional to ...

Q: Consider two cylindrical objects of the same mass and radius. Object A is a solid cylinder, whereas ...

A: Given: The mass of object A and B is m=220 g. The radius of object A and B is r=21 cm. The height o...

Q: Advanced Physics Question

A: Linear charge density is given as  λ= QL Where Q is charge on object , and L is length of an object....

Q: Discuss and compare the potential contributions for tertiary structure in a protein for the side cha...

A: Given: The following pH values: pH 3, pH 7 and pH 10. (pka of R group = 6.5). The explanation as fol...

Q: The escape speed of a particle near the sun’s surface is 6.2 x 105 m/s. Most of the gas there is ato...

A: The root mean square speed of the gas is vrms=3kTm k is the Boltzmann constant, T is the temperature...

Q: Aluminum has a density of 2.70 x 103 kg/m3 at a temperature of 293 K, and its molar mass is 26.98 g....

A: (a) The number of aluminum atoms per unit volume is 2.70×103kg/m31mol26.98×10-3kg6.022×1023mol=6.03×...

Q: A 60kg skateboarder (including the skateboard) wants to figure out how fast he needs to be traveling...

A: Mass of the skateboarder (including skateboard) m = 60 kg The diameter of the path d = 14 m

Q: A sample of shale contains 0.055% 238U by weight. Calculate the number of spontaneous fi ssions in on...

A: Given: A sample of shale contains 0.055% 238U by weight. Calculate the number of spontaneous fi ssion...

Q: A frictionless ball slide from rest along the AB side of an inclined plane with (Figure 3). The moti...

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and s...

Q: 1. The electric field in a region of space near the origin is given by E(x, y, z) = Eo a (a) Evaluat...

A:

Q: A 4.00 g bullet, traveling horizontally with a velocity of magnitude400 m>s, is fired into a wood...

A: (a) Use the conservation of momentum to solve for the velocity of the block. m1u1+m2u2=m1v1+m2v2    ...

Q: 4. The energy stored in a capacitor is U = = }cv? = }Qv. The energy per unit volume for a vacuum fil...

A: The energy stored be calculated as, U=12ε0V2hA=128.854×10-12 F.m-15000 V21 cm100 cm2=128.854×10-12 F...

Q: Treat the hydrogen atom as a one-dimensional entity of length 2a0 and determine the electron’s minim...

A: Given information: The length of the one-dimensional entity is 2ao  

Q: Determine the forces in member GH, EH, DE of the truss, and state if the member is in Tension orComp...

A: Given: The diagram is as follows: Introduction: A truss is an assembly of beams or other elements t...

Q: What is the E field at 6.5 cm from the center of the insulating sphere?

A: The outer shell is metallic thus it is conducting in nature. To find electric field we will apply Ga...

Q: Sketch the correct direction of the acceleration vector a⃗ a→ for the system shown in (Figure 1). Sk...

A:

Q: A ball was vertically launched from rest under the force of gravity and follow a trajectory represen...

A: Given: A ball was vertically launched from rest under the force of gravity and follows a trajectory....

Q: The radioactive isotope 12 7N undergoes b+ decay. The energy released in the decay of one nucleus is...

A: