Science

PhysicsQ&A LibraryFind the approximate solid angle for a source-detector arrangement whereby a 5-cm diameterdetector is placed 30-cm from a point source which emits gammas isotropically. Formally, onewould find a solid angle by integrating sinθ dθ dφ over appropriate θ and φ limits given by thesize of the detector at the given distance from the source. However, a good approximation is touse the ratio of the detector area to the surface area of a sphere at the detector distance to findthe fraction of 4-pi which the detector coversStart your trial now! First week only $4.99!*arrow_forward*

Question

Find the approximate solid angle for a source-detector arrangement whereby a 5-cm diameter

detector is placed 30-cm from a point source which emits gammas isotropically. Formally, one

would find a solid angle by integrating sinθ dθ dφ over appropriate θ and φ limits given by the

size of the detector at the given distance from the source. However, a good approximation is to

use the ratio of the detector area to the surface area of a sphere at the detector distance to find

the fraction of 4-pi which the detector covers

Tagged in

Science

Physics

Find answers to questions asked by students like you.

Q: 5. Find the Kinetic energy when it hits the Earth's surface. (assume no air resistance) Saturn is or...

A: Since we only answer one question, we’ll answer the first one. Please resubmit the question and spec...

Q: A 0.25-kg stone is held 1.4 m above the top edge of a water well and then dropped into it. The well ...

A: Consider mass(m) is dropped from height(h1) into the well of depth(h2).

Q: Review | Constants Let vectors A = (2, 1,-4), B (3,0, 1), and C = (-1,-1,2) Part A Calculate the fol...

A: Part A

Q: The force exerted by the wind on the sails of a sailboat is 310 N north. The water exerts a force of...

A: Given situation can be picturized as follows:

Q: Physics Question

A: (a)Write the expression for angular acceleration.

Q: A wave pulse is described by a fuction y = f(x) at t = 0. If the wave pulse is traveling in the +x ...

A: Given that, the wave function is described by a function y=f(x) at t=0, and it is traveling on the p...

Q: An observant fan at a baseball game notices that the radio commentators have lowered a microphone fr...

A: Write the expression for time period of one oscillation

Q: A Hall probe uses the Hall effect to measure the size of magnetic fields - it does this by measuring...

A: The initial magnetic field, B1 = 2.15TThen Hall Voltage, V = 0.95µVNow, magnetic field is different,...

Q: What are the dimensions for the variable beta given the following?

A: Given:

Q: 10.0 kg and m2 Two packing crates of masses m = 7.30 kg are connected by a light string that passes ...

A: Here, the figure shows two packing crates of masses m1 and m2 are connected by a crate lies on a smo...

Q: Chapter 11, Problem 043 In the figure, two skaters, each of mass 55.6 kg, approach each other along ...

A: Since we are entitled to answer up to 3 sub-parts, we’ll answer the first 3 as you have not mentione...

Q: An ideal spring obeys Hooke’s law: F = −ikx.A mass of m = 0.8 kg hung vertically fromthis spring str...

A: The expression for the spring constant is,

Q: A planet similar to the Earth has a radius 4.3 × 106 m and has an acceleration of gravity of 10 m/s ...

A: Click to see the answer

Q: 50. A lawnmower is pushed with a constant force F, shown in the following diagram. F As angle e betw...

A: Here, the angle θ between lawnmower handle and the horizontal increases.

Q: You are spinning a 20kg mass horizontally attached to a spring. The relaxed length of thespring is ....

A: Click to see the answer

Q: A student applies a force on a puck equal to the one shown in the figure. If the mass of the puck is...

A: Given,

Q: At t = 0, a particle leaves the origin with a velocity of 9.0 m/s in the positive ydirection and mov...

A: The equation of motion is given by,

Q: 19

A: Click to see the answer

Q: Constants Periodic Table Your car's fan belt turns a pulley at 3.40 rev/s . When you step on the gas...

A: Click to see the answer

Q: #o yolbese 2. A 76.0-kg person is being pulled away from a burning building as shown in figure below...

A: Using Newton’s second law of motion under equilibrium condition,

Q: 29. A resultant force of 10. newtons is made up of two component forces acting at right angles to ea...

A: Resultant force is given by,

Q: A rocket has an initial mass of 29,000 kg, of which 20% is the payload. It burns fuel at a rate of 1...

A: (a)Formula for the thrust of the rocket is:

Q: A. Stay the same. Glass is tightly against the cardboard. ...

A: The light bulb is an example of a point source.The ray diagram of the arrangement when the glass is ...

Q: Number 5

A: (a)A FBD for the satellite,

Q: The parachute on a race car of weight 8,850 N opens at the end of a quarter-mile run when the car is...

A: Given:

Q: If a piece of an airplane suddenly becomes detached during flight, it will crash to Earth. Would it ...

A: If an aeroplane part suddenly becomes detached it crashes because it is travelling at speed less tha...

Q: A 3.45×103 kg train is stopped at a station. The train must go around a 149 m diameter corner right ...

A: Consider a train of mass, m travels with a constant force, F takes a turn around the corner of diame...

Q: -The force exerted by the wind on the sails of a sailboat is 330 N north. The water exerts a force o...

A: Given situation can be picturized as follows:

Q: A 20.0-kg block is initially at rest on a horizontal surface. A horizontal force of 80.0 N is requir...

A: (a) The coefficient of static friction between the block and the surface is

Q: A 0.140-kg wooden rod is 1.20 m long and pivots at one end. It is held horizontally and then release...

A: a) he expression for the torque is

Q: Use Gauss's law to derive the formula of capacitance C of a parallel plate capacitor of plate area A...

A: Use the concept of potential and electric field.The equipotential lines and electric field lines are...

Q: A uniform plank of length 5.35 m and mass 26.9 kg rests horizontally across two horizontal bars of a...

A: suppose, the right scaffold part is free to walk by the painter.the distance from the center of mass...

Q: How do I solve this for "maximum amplitude of oscillation such that the top block will not slip on t...

A: Figure shows A block with mass M rests on a frictionless surface and is connected to a horizontal sp...

Q: The simple mass on a spring is the basis for our description of almost any oscillation. Lets consid...

A: The expression for spring constant for N2 is,

Q: (Multiple choice) When nerve cells carry a signal from your hand to your brain, how is the signal pr...

A: When the membrane is at neutral state, the resting potential is negative due to the presence of more...

Q: у (m) 31. A 4.00-kg particle moves QIC from the origin to position T ©, having coordinates x = 5.00 ...

A: Part A:

Q: Give the temperature at the center of the sun (1.55×107K) in units of celsius and fahrenheit.

A: Given,

Q: Four forces act on an object, given by A = 49.3 N east, B = 47.3 N north, C = 90.7 N west, and D = 9...

A: The net force on the object along the x-axis can be calculated as,

Q: 9a,b

A: Part A :Work done by the system is given by :

Q: Two different balls are rolled (without slipping) toward a common finish line. Their angular speeds ...

A: Given information:Radius of the first ball (R1) = 0.0713 mDistance from which it starts (D1) = 9.02 ...

Q: Puffy cumulus clouds, which are made of water droplets, occur at lower altitudes in the atmosphere. ...

A: Given,For altitude less than 11 Km temperature is given as,

Q: - A 7.1 kg body undergoes an acceleration of 4.2 m/s2. (a) What is the magnitude of the resultant f...

A: Given:For part (a):m = 7.1 kga = 4.2 m/s2for part (b):m = 4.3 kg

Q: A student bikes to school by traveling first dN = 1.10 miles north, then dW = 0.300 miles west, and ...

A: Vector showing the displacement in north direction is,

Q: 45. Review. Two constant forces act on an object of mass m = QC 5.00 kg moving in the xy plane as sh...

A: part A:

Q: 5 Which object has the most inertia? (1) a 0.001-kilogram bumblebee traveling at 2 meters peřsecond ...

A: Inertia is the tendency of an object to resist any change in its position.A body with more mass poss...

Q: N4T.1 Aweight hangs from a string but is pulled to one side by a horizontal string, as shown. The te...

A: Write the expression for net force acting on the weight in the vertical direction

Q: What is the magnetic field amplitude of an electromagnetic wave whose electric field amplitude is 12...

A: Given:

Q: 14 Two concurrent forces act at right angles to each other on an object. If the magnitude of one of ...

A: In this case, the two forces act at right angles to each other on an object,The magnitude of the res...

Q: ms of appeal in Pirate Port I Public 0f Whiworth Fibrary A Z Databases Course Homne X Join comershon...

A: Given:Drag coefficient = 0.90Cross-section area = 0.48 m2Velocity = 7.3 m/sEfficiency = 25%

Q: A bag of oranges weighs 3.00 lb on Earth. What would it weigh on the Moon, where the free-fall accel...

A: Mass is a physical quantity that doesn’t vary when moved from on planet to another planet.The formul...