Let B = Z[x] denote the set of all polynomials in x. Show that B is denumerable.

Q: On its highest power setting, a certain microwave oven projects 1.00 kW of microwaves onto a 30.0 by...

A:

Q: The given graph shows stopping distances for trucks at various speeds on dry roads and on wet roads....

A:    a) The quadratic function that models the truck's stopping distance, in feet,  on wet pavementtra...

Q: F m. (b) A solid contains 5 x 102° atoms/m° each with a polarisability of 2x10 Assuming that the int...

A: N=5×1028 atom/m3α=2×10-40 Fm2 We know Lorent formula  E=Ei1-Nα3ε0EiE=11-Nα3ε0=11-5×1028×2×10-403×8.8...

Q: A dumbbell consists of two 0.2-meter diameter spheres, each with a mass of 40 kg, attached to the en...

A: (a) Let R, D, and L denote the sphere’s given radius, diameter, and the rod’s length, respectively. ...

Q: Line of sight The figure shows a meter stick lying on the bottom of a 100 cm long tank with its zero...

A: Given :               n1 = 1 mn2 = 1.5 mθ  =30°   

Q: SCS 138 Quiz 23 m A compact disc player rated as having speed of 8X will operate at an angular speed...

A: a) angular velocity, w = 4000*2*3.14/ 60 =418.67 rad/s   b) Moment of inertia of system I = m( r1^2+...

Q: A sled is being towed by two sled dogs. The tow ropes make angles of 22° and 23° with the direction ...

A: Given: The angles that the tow ropes make are 22∘and 23∘. The magnitude of the resultant force is 95...

Q: During a lecture demonstration, a professor places two coins on the edge of a table. She then flicks...

A: Given, a professor places two coins on the edge of a table. She then flicks one of the coins horizon...

Q: Given r = e−p2−q2, p = es, q = e−s, find dr/ds.

A: Given: r=exp(-p2-q2)p=esq=e-s

Q: (a) The mass of a neutron, mn = 10^-27 kg is trapped inside a nucleus of a cubicalbox of size 10-14 ...

A: Given Data for (a)  The mass of neutron is 10-27 kg and size of cubical box 10-14 m  for (b) radius ...

Q: A 3.0-m-diameter merry-go-round with a mass of 250 kg is spinning at 20 rpm. John runs around the me...

A: Given: d=3 m M=250 kg N=20 rpm v=5 m/s  m=30 kg

Q: (a) Determine the centroidal polar moment of inertia of a circular area by direct integration. (b) U...

A: DIAGRAM: TO DETERMINE: (a) The centroidal polar moment of inertia of a circular area. (b) The momen...

Q: In photobromination of cinnamic acid, radiation at 435.8 nm with an intensity of Js-1 was 80.1% abso...

A: The Quantum yield of a photochemical reaction can be defined as the fraction of molecules that react...

Q: Disk B is at rest when it is brought into contact with disk A, which has an initial angular velocity...

A: Given, The disk B is at rest and it brought contact with disk A 

Q: The nozzle shown discharges a stream of water at a flow rate of Q = 475 gal/min with a velocity v an...

A: Given: The flow rate of the discharge of stream water is Q= 475 gal/min Let velocity be v and magnit...

Q: In naturally occurring uranium atoms, 99.3%are 238U 1atomic mass = 238 u, where u = 1.6605 * 10-27 k...

A:

Q: a slope of ©=20° ction between

A: Given:  To find the velocity of the block and the maximum deformation using given values as, kspring...

Q: If you were traveling away from Earth at speed 0.6c, wouldyou notice a change in your heartbeat? Wou...

A:  Since laws of physics are the same for all inertial observers, you would not notice any changes.

Q: A 1.50-m string of weight 1.25 N is tied to the ceiling at its upper end, and the lower end supports...

A: The equation for the travelling waves isy(x,t)=8.5cos172x-2730tThe standard equation for a wave isy(...

Q: 3. The 3200-lb weight is supported by two cables. Knowing that the resultant of the cable tensions T...

A: If the resultant is vertical, the resultant components along x-axis      FRx = 0 y- axis     FRy =FR...

Q: The Question is:

A: Given four current-carrying wires ABCD. The direction of the current flow in wire A and wire-D be de...

Q: Carbon tetrachloride contains 74 electrons in its molecule. Its relative permittivityis 2.26 and den...

A: Given data, No. of electrons in a molecule of Carbon tetra chloride (n)= 74 Relative permittivity = ...

Q: The air is less dense at higher elevations, so skydivers reach a high terminal speed. The highest re...

A: Given :            mass of an object m = 0.75 kg             cross sectional area of an object A = 0...

Q: (II) Three point charges are arranged at the corners of a square of side l as shown in Fig. 17–39. W...

A:

Q: State the Borel-Cantelli Lemma for independent sequences of events

A: Introduction: An independent event is an event that has no connection to another event's chances of ...

Q: *15-20. The 200-lb cabinet is subjected to the force F=20(1+1) lb where t is in seconds. If the cabi...

A: Given Mass               = 200 lb Force              = 20 (t+1) lb  Initial velocity = 20 ft/s Time ...

Q: An electron in a television tube is accelerated uniformly from rest to a speed of 8.4 × 107 m/s over...

A: Given: The final velocity of electron v = 8.4×107 m/s. The distance travelled s = 2.5 cm. The displ...

Q: You measure two quantities as A = 1.0 m ± 0.2 m, B = 2.0 m ± 0.2 m. We should report correct value f...

A: Given Data, A=1.0m±0.2mB=2.0m±0.2m

Q: A particle of mass m is confined to a one-dimensional box between x = 0 and x = L. Find the expectat...

A: For a particle of mass m confined to a one dimensional box between x=0 and x=L, the nth stationary s...

Q: ex 6.2

A: Given: The diagram is as follows: Introduction: A force is a push or pulls upon an object resulting...

Q: One problem for humans living in outer space is that they are apparently weightless. One way around ...

A: Given data: The diameter is d=800 m. The acceleration due to gravity on Earth is g1=9.80 m/s2. The ...

Q: Consider the object shown in figure A below. What is its rotational inertia? Consider the alternate ...

A: a :

Q: Suppose you need to image the structure of a virus with a diameter of 50 nm. For a sharp image, the ...

A: Given Diameter     = 50 nm Wavelength = 5.0 nm

Q: Spring oscillations A spring hangs from the ceiling at equilibriumwith a mass attached to its end. S...

A:  Given: The function is x(t)= 10 sin t-10 cos t.   As per rule. the question is solved only three su...

Q: A fisherman of mass 75 kg is standing at one end of a boat of mass 300 kg and length 20 m floating o...

A: Given, Mass of the fisherman=m1=75 kg Mass of the boat=m2=300 kg Length of the boat=L=20 Constant ve...

Q: A pipe 30 m long with an outer diameter of 75 mm is used to convey steam at a rate of 1000 kg / hour...

A: given,length of pipe=30moutter diameter =75mmsteam rate=1000kg/hourvapour pressure =198.53kPathermal...

Q: (a) Carbon tetrachloride contains 74 electrons in its molecule. Its relative permittivityis 2.26 and...

A:

Q: (a) What is the difference between the forces on a 1.0-kg mass on the near side of Io and far side d...

A: Given: The mean radius of the lo =1821 km The mean orbital radius about Jupiter =421,700 km

Q: Positive charge Q is distributed uniformly along the x-axis from x = 0 to x = a. A positive point ch...

A: Given a charge distribution from x=0 to x=a consisting total Q charge over it and a point charge at ...