What fraction of 5-MeV - particles will be scattered through angles greater than 8° from a gold foil (Z = 79, density=19.3 g/cm3) of thickness 10-8 m?

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: *PLEASE ANSWER QUESTION #3 and #4 ONLY* 1) A car is waiting at a stoplight. The car has a mass of 12...

A: when car is accelerating forward friction will act in forward direction.

Q: A ravine's shape is given by y(x) = -11 x + 1.8 x2  (m).  You throw a rock from the origin, horizont...

A: The point at which path of rock cut the path of ravine will be the hitting point.

Q: Show that 23092U does not decay by emitting a neutron or proton.

A: The Q-value of a nuclear decay determines the energy released after the decay. A positive Q-value me...

Q: I kindly ask that you help me with all the questions. Please do help me with this.

A: (a) Given: The diagram is as follows: Introduction: Energy can broadly be classified as potential e...

Q: You use 0.124 nm x-ray photons in a Compton-scattering experiment. (a) At what angle is the waveleng...

A: ∆λ=λ01-cosθθ=cos-11-∆λλ0 Angle of scattering when the wavelength difference is 1.0% θ=cos-11-1%λiλ0=...

Q: A cannon ball is fired with an initial speed of 123 m/s at angle of 60 degrees from the horizontal. ...

A: Initial velocity v→0=v0cosθi^+v0sinθj^=123 m/scos60°i^+123 m/ssin60°j^=61.5 m/si^+106.5 m/sj^≈61.5 m...

Q: Why do wind scientists prefer the wind velocity records at the airports?

A: The scientists  prefer mostly airport to record wind velocity because of the following reasons

Q: In Fig, suppose that E = 60.0 V, R = 240 Ω, and L = 0.160 H. With switch S2 open, switch S1 is left ...

A: (a) The expression for the current is i=I0e-tRLi=εRe-tRLi=60240e0=0.25 A  

Q: The radii of atomic nuclei are of the order of 5.0 * 10-15 m. (a) Estimate the minimum uncertainty i...

A: Part-a Given: Radii of atomic nuclei ∆x = 5×10-15 m.  

Q: Does it work? Will hanging a magnet in front of an íron cart make it go? Explain why or why not.

A: According to Newton's first law of motion, when there's no force acting on a object, then the body r...

Q: Assume that the Maxwell-Boltzmann distribution is valid in a gas of atomic hydrogen. What is the rel...

A: Given: Temperatures t = 293 K, 5000 K and 106 K.

Q: Explain, giving detailed steps, how you would determine the electric field vector at point P. Give a...

A:

Q: When a string barely strong enough lifts a heavy weight, it can lift the weight by a steady pull; bu...

A: There are three of Newton's laws of motion that will participate in this type of case. Newton's firs...

Q: A 2408kg car moving east at 12.3m/s collides with a 3391kg car moving east. The cars stick together ...

A: During an inelastic collision - The momentum is conserved while kinetic energy is not conserved.  Th...

Q: Below. Sam heaves a 16 lb shot straight up, givingit a constant upward acceleration from rest of 35....

A: Given: Mass of the shot m = 16 lb. Acceleration of the shot a = 35 m/s2. Distance above the ground ...

Q: Please answer all parts of question 1. I appreciate it!

A: Since you have posted question with multiple sub-parts. we will solve first three sub-parts for you....

Q: Could anyone help me with my physics homework?

A: Solution:   Given Values, Mass(m)=2 KgSpring constant((k)=448 N/mDistance(x)=0.5 mHeight(R)=2 m

Q: You can’t see clearly underwater with the naked eye, but you can if you wear a face mask or goggles ...

A: The human eye has a different focal length than the lens. A curved surface makes a lens between two ...

Q: 3) The op-amps circuits below all use ideal op-amps powered by V,+ = +12 V and V -- 12V. (Ideal mean...

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you. ...

Q: Military rifles have a mechanism for reducing the recoil forces of the gun on the person firing it. ...

A:

Q: A 6.40 nF capacitor is charged to 24.0 V and then disconnected from the battery in the circuit and c...

A: Given A 6.40 nF capacitor is charged to 24.0 V and then disconnected from the battery in the circuit...

Q: Chapter 3, Reserve Problem 3/015 GO Tutorial The rack for storing automobile wheels consists of two ...

A: Given: The diagram is as follows: The mass of the wheel is m. Introduction: Momentum is a physics t...

Q: Hi kindly help

A: Given information: The velocity of the air is, v The density of the air is, ρ The radius of the soap...

Q: A plane leaves the airport in Galisteo and flies 170 km at 68.0 east of north; then it changes dire...

A: Given: A=170 km which is 68o east of north  B =230 km which is 36o south-east  Let R be the displace...

Q: length fof a camera is the distance required for the lens to converge light to a single gle of view ...

A: See the angle  α/2    (a) Taking the tan α /2 =d/2 /f  as tan  α /2 = perpendicular/ base      perpe...

Q: A lithium atom has mass 1.17 * 10-26 kg, and a hydrogen atom has mass 1.67 * 10-27 kg. The equilibri...

A: The Rotational energy of a diatomic molecule is given by ER=h28π2IJ(J+1)Where I-moment of inertia of...

Q: A bead of mass m , with a hole through its center, slides without friction along a vertical hoop of ...

A: (a) Given: The diagram is as follows: The bead of mass m slides without friction on a vertical loop...

Q: When you fly in an airplane at night in smooth air, you have no sensation of motion, even though the...

A: From Newton's second law of motion F→=mdv→dt

Q: Three identical balls are thrown from the same height with the same speed, but in different directio...

A: a. Total energy al all three balls will be same. total energy = kinetic energy + potential energy to...

Q: Five boys are pushing on a snowball, and each is pushing with a force of 10.0 N. However, each boy i...

A: Given:          5 boys are pushing a snowball          Force exerted by each of them, F = 10 N      ...

Q: By considering the integral ∫02π cosmlϕ cosm'lϕ dϕ, where ml≠m'l ,confirm that the wavefunctions cos...

A: Normalize the wavefunction ∫ψml*ψmldϕ=N∫02πψml*ψmldϕ=N∫02πcos2mlϕdϕ=N∫02π1+cos2mlϕ2dϕ=Nϕ2+sin2mlϕ4ml...

Q: A uniform film of TiO2, 1036 nm thick and having index of refraction 2.62, is spread uniformly over ...

A: Given: A uniform film of TiO2, 1036 nm thick and having index of refraction 2.62, is spread uniforml...

Q: An instrument has resolution ∆λ/λ = 0.40%. What wavelength of incident photons should be used in ord...

A: Equation of Compton scattering is given as, Here, ∆λ denotes the change in length, h denotes the Pl...

Q: When a batted baseball moves with air drag, when does the ball travel a greater horizontal distance?...

A: The baseball moves until it reaches the ground (ignoring the subsequent motion). The air drag acts a...

Q: Consider the two parallel plates shown below containing equal and opposite charges. The top plate is...

A: The diagram is as follows:

Q: Which of the following statements is true: 1. As you traverse the loop through an EMF from the short...

A: Here  I statement is true. II statement is incorrect. III statement is correct. Therefore last optio...

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: An electron initially at rest is accelerated across a potential difference of 3.00 kV. What are its ...

A: The conservation of energy is given by, Ui+Ki=Uf+Kf Since electron was at rest the initial kinetic e...

Q: If a protostellar disk is 210 AU in radius and the disk plus the forming star together contain 4 sol...

A: The expression for the orbital speed of the outer edge is as follows: v=GMR

Q: Eyeglass lenses can be coated on the inner surfaces to reduce the reflection of stray light to the e...

A: For air coating interface there is a phase change of 180 degree as the second surface is denser and ...

Q: Rev5 Phys 1403 Stellar Magnitudes and Parallax Since the minimum brightness visible will be inversel...

A: (1) Given: The magnitude of Mizor is 2.4. The brightness of Mizor in companion to Alcor is 4.37 time...

Q: 3) Two skydivers are playing catch with a ball while they are falling through the air. Ignoring air ...

A: (3) Since air resistance is neglected, both the ball and the sky diver experience the same gravitati...

Q: Normalize the wave function Are -r/α from r = 0 to ∞ where α and A are constants.

A: The normalization condition can be written as, ∫-∞∞P(x,t)dx=∫-∞∞ψ(r)2dx=1 Here,  ψ(r)=Are-rα is the ...

Q: a) suppose an alien (i.e. SUPERMAN) bas come to our world. He requires lowest voltage to perform a m...

A: