2. Obtain the threshold energy for the reactions, (i) "Bi (p, d) Bi (i) HAI (a, p) HP 3. Using conservation of energy and momentum, show that the positron and electron cannot annihilate into one photon.

Q: Which pair of concurrent forces may produce a resultant of 25N? 5N and 10N 20N and 20N 50N and 20N…

A: GIVEN data as per question R   =  25N

Q: A person exerts a force of +250 N on a large crate, but the crate does not move. What would the…

A: Force:- An external force is an agent that has the power to alter the resting or moving condition…

Q: Let A22+-7 B-42+-l C-3+5 Complete each vector sum A B+C A+ B-C + A-B+C A-B-C +

A: Write the vector expression for the three given vectors.

Q: Suppose two children push horizontally, but in exactly opposite directions, on a third child in a…

A: Part a: To determine the acceleration of the child in the wagon the system of interest would be "the…

Q: If the net force on a 10 kg object is 40 N, what can we say about this object? The object will be…

A: Given data:  Mass (m) = 10 kg Net Force (Fnet) = 40 N Required:  Acceleration (a)

Q: A particle acted upon by a balanced force system has no A velocity B displacement C force D none E…

A: If a particle is acted upon by a balanced force system then the net force acting on the particle is…

Q: A man is standing on a scale inside an elevator. As the elevator starts to go up with an…

A: Let N denote the force on the person, m denote the mass, a denote the upward acceleration, and g…

Q: Which of the following is an INCORRECT vector operation? O a. O b. O C. O d. B-A= -(B-A) B + A = A +…

A: GIVEN            vector are given ,

Q: Calculate the resultant of the force system. a. 227.64 lb b. 476.98 lb с. 55.45 lb d. None of the…

A:

Q: Convert the following Vectors to a Unit Vector: A= 5.5m/s, 20° N of E B= 13.5 m/s, 67° S of E

A:

Q: 10) Which vectors in graph below are equal? to too

A: Solution:   Equal Vectors: If two vectors A and B are said to be equal if they have same…

Q: A rock is dropped from rest. How long will it take to fall a distance h? Ignore air resistance. 2h…

A: Given data: Initial velocity (v0) = 0 m/s Height = h Air resistance is negligible  Required:  The…

Q: If you hold the picket fence at an angle instead of vertically, which of the following will likely…

A: If you tilt the picket fence at an angle rather than keeping it vertical, the likely outcome is as…

Q: Explain the head-to-tail method of adding vectors.

A:

Q: What is the speed of hitting the ground, in m/s, of an object thrown obliquely at an angle of 37°…

A: Since the object strikes the ground again, the net potential energy change in the system is zero.…

Q: Six vectors are shown below. ン Select all vectors which have the same magnitude.

A: The quantities which has both magnitude and direction are called vectors. A vector has a head and a…

Q: Is the normal force (n) equal to mg? OA) never OB) usually OC) sometimes OD) often DE) always

A:

Q: Question 2-6

A: As per the guide lines first question is answered. Kindly post remaining as a new post. 2. Electric…

Q: m Frictionless m

A:

Q: Q/ Resolve each force to x ,y and u axis 30 55 F= 300N

A:

Q: Determine the y-component of force 400 lb. a. 200 lb b. O lb c. 400 lb d. None of the above…

A:

Q: Explain homogeneously and inhomogeneously broadened mechanisms,

A: Line broadening, in spectroscopy, the spreading across a greater wavelength, or frequency range, of…

Q: Describe the important concepts of  Vectors and Components?

A: It is possible to think of any vector directed in two dimensions as having an effect in two…

Q: Given vector X = 18m 29 N of W and vector Y = 9m, 80 S of E.  Deteine x-y

A: The following data are given: X→=18metre, 290 N of WY→=9metre, 800 S of E

Q: O Find the coefficient of (mu)

A:

Q: What are linearly dependent set of vectors?

A:

Q: the focal length? OA) O B)

A: Ray optics.

Q: 3. Refer back to Figure 8.1. For which types of electromagnetic radiation is the atmosphere of the…

A: Required : For which type of electromagnetic radiation, is the atmosphere of the Earth completely…

Q: A 5.4 kg ball with a diameter of 11 cm is dropped form an airplane at an altitude of 9 km above the…

A: Given: Mass of ball m = 5.4 kg Diameter of ball d = 11 cm = 0.11 m Altitude from where the ball is…

Q: Determine the force P (N) needed to pull the 50-kg roller over the smooth step lake 9 7.5" 0.6 m 0 A…

A:

Q: Step 2. Refer back to Figure 8.1. For which types of electromagnetic radiation is the atmosphere of…

A: For which type of the electromagnetic radiation is the atmosphere of the Earth totally opaque.

Q: A grocery bag can withstand 65 N.of force before it rips apart. How many kilograms of apples can it…

A: Strength of the bag, F = 65 N Acceleration due to gravity, g = 9.8 m/s2   Let the mass of the apples…

Q: Discuss vectors and describe some common uses for vectors. I need a brief explanation of this...

A: Vector is that physical quantity that has both magnitude and direction .    Vectors helps to…

Q: Suppose the glider and the hanger had equal masses MG = mh . In this situation, do you expect the…

A: Given: mG=mh Concept Used: The given situation represents horizontal pulley and both the surface and…

Q: Counterweight 200m 30 20

A:

Q: A missile is launched vertically upward with an acceleration of 20 m/s for one minute, then runs out…

A:

Q: A 100-N force is making an angle of 60° with the horizontal. Find the vertical and horizontal…

A:

Q: What is the unit of this vector?      a) m  B) N  NS) NS  D) kg  TO) N/C

A: Answer  unit of this vector is= N/C

Q: Which of the vectors is the result of 2A - B? A. B. C. D. E. O B O A OD

A: °A

Q: 30 N D 40 N 20 N A 'B 10 N The above figure indicates a net force of 28.3 N along the diagonal CA a…

A: