An owl has good night vision because its eyes can detect a light intensity as small as 5.0 x 10-13 W/m2. What is the minimum number of photons per second that an owl eye can detect if its pupil has a diameter of 8.1 mm and the light has a wavelength of 587 nm?

Q: How much work must be done on the particle by the external agent? (in J)

A:

Q: (a) What is the available energy content, in joules, of a battery that operates a 1.3 W electric…

A: Part (a) Calculation:Time in seconds=21×30.44×24×3600=55,209,600 seconds…

Q: Why are birds not electrocuted by sitting upon a high potential power line?

A:

Q: Show complete solution. Given vector X= 18m, 29 N of W and vector Y = 9m, 80 S of E. Determine X-Y…

A: Given: Vector X=18m, 29 N of W and Vector Y=9m, 80 S of E To find: X-Y in unit vector   A vector is…

Q: where gis the gravita- th on the Earth's

A:

Q: If a proton and electron are released when they are 2.0  m apart, find the initial acceleration of…

A: Distance between the particles, r = 2 mCharge on an electron, qe = 1.6 × 10-19 CCharge on a proton,…

Q: PROBLEMA 7: Un jugador de hockey da un golpe al disco ejerciendo sobre él una fuerza de 30N durante…

A:

Q: Prove that the static energy of a proton is 1000 Mev

A: This problem can be solved using the Einstein mass energy Equivalence formula.

Q: If a proton and electron are released when they are 2.0  m apart, find the initial acceleration of…

A: Fe=14π∈0q1q2r2q1=e; q2=-e ;e=1.6×10-19 ; r=2 ;14π∈0=9×109Fe=-9×109×e24=-5.76×10-29Fe=5.76×10-29(sign…

Q: alue, the field creates enough ioniz ctor. This allows a discharge n, is the maximum voltage betw or…

A: Given as, Electric Field strength (E)= 2.0 x 108 V/m, Separated distance (d)=3.5 x 10-2 m.

Q: you have ignored the directions of Vf and direction of acceleration. please inlude this information…

A:

Q: Show that the Force of Gravity is conservative.

A:

Q: The figure below shows equipotential contours in the region of space surrounding two charged…

A: The change in potential energy(∆U) of a charge q moving from point 1 (with potential V1) to point 2…

Q: If a proton and an electron are released when they are 4.00 x 10-10m apart, find the initial…

A:

Q: 20 30 Determine the total energy (in J) stored in the system if C = 12.66 mF and the potential…

A: Given data The capacitance value is: C = 12.66 mF = 0.01266 F The potential difference between…

Q: A 9 kg particle is in a potential given by U(x) = 2 x^4 - 6 x^2 - -2 x + 8 (J). Calculate the…

A: The force can be represented as, F=-dUdxma=-dUdxa=-1mdUdx

Q: in a straight line with a 6° Omis. I t 'enters underges migh along the same straight line, An…

A: Let , the initial velocity be denoted by 'u' , the final velocity be denoted by 'v' , the time taken…

Q: 4-158. Determine the magnitude of the equivalent resultant force and its location, measured from…

A: We have to find the magnitude of equivalent resultant force and its location measured from point O.…

Q: Determine the total energy (in J) stored in the system if C = 12.4 mF and the potential difference…

A:

Q: The following data is provided for the velocity of an object as a function of time, 1, S 8 12 16 20…

A: Numerical differentiation is the process of finding the value of the deviation of a given function…

Q: How much work is needed  to assemble an atomic nucleus containing three protons (such as Li) if we…

A: Charge on proton = e = 1.6 × 10-19C  Side of equilateral triangle =a= 2.00 × 10-15 m  Work done in…

Q: A proton accelerates from rest in a uniform electric fe d of 626 N/C. AL Seme fater time, its speed…

A:

Q: 6) The work done by the force field F moving along the line segment from (0, 0) to (2, 1) is: a) b)…

A:

Q: (a) find the gravitation field as a function of r. (b) find the gravitation potential as a function…

A:

Q: How much work is needed to move a proton from a point with a potential of -100V to a point where it…

A: Given, potential, V1 = -100 VV2 = -50 V

Q: True of false ? The stopping power is a function of the charge of the particle, energy of the…

A: Here given the stopping power of the particle.We have to define the statement true or false.

Q: Two objects (m,-5.50 kg and m,- 2.70 kg) are connected by a light string passing over a light,…

A:

Q: If a proton and electron are released when they are 2.0  m apart, find the initial acceleration of…

A: Let us consider the charge on proton & electron be (QP) & (QE) in coulomb and separated by a…

Q: How would you rearrange that equation for m_0

A: R = V(L/D)Cln (11-mf/mo)DCRVL= ln(11-mf/m0)11-mf/m0 = eDCRVL

Q: we only have a non-circular closed path when n = -2.

A: Let us consider (E) be the electric field and (V) be the potential having radial distance (r) which…

Q: What is meant by gravitational potential at a point in the gravitational field due to a body?Derive…

A: Gravitational potential at a point in a gravitational field is equal to the work done per unit mass…

Q: A particle begins to move on top of a hemispherical surface. Where will it leave the surface?

A:

Q: 41 - 42. What is the electric potential energy of a +3 C and -6 C when placed in 4 m distance? •…

A: We have two charges of magnitude q1=3 C and q2=-6 C which are separated by a distance r=4 m.…

Q: What is the definition of a vector potential?

A: Given: The Vector potential is defined below.

Q: Cadculate the kinetic Joules of a 70kg enesyy in toowesting at 4.26 mls

A: Given that                  Mass (m) = 70Kg                  Traveling (v) = 4.26m/s