Refer to the periodic table and give the period and group number for each of these elements: (a) neon, (b) barium, (c) iodine.

Q: 22: A particle is thrown at an angle of 30° with velocity of 36 kmph calculate its time of flight an...

A: Launch angle , α = 30 ° Launch velocity , V = 36 km /hr V = 36 x 1000 m3600 seconds= 10 m/s  To find...

Q: Q1/ A body is released from rest and falls freely. Compute its position and velocity after 1 and 2 s...

A:

Q: QI: A circle of radius R at a distance b from a particle with positive charge Q which is located on ...

A: In the given question, A Circle of radius R at a distance b from a particle with positive charge Q, ...

Q: The y-component of the force F which a person exerts on the handle of the box wrench is known to be ...

A: Given that the y component of the force F on the handle of the box wrench is 70lb then we have to fi...

Q: Sx, x<-2 br, x2-2 (A) What value should be assigned to b to make the function: g(x) continuous at ev...

A: A function is continuous iff LHL = RHL = function value at the point of                            e...

Q: QI: A circle of radius R at a distance b from a particle with positive charge Q which is located on ...

A: Given: Radius of circle = R Positive charge Q is located on the axis of the plane of circle    

Q: TTst year Q1: A circle of radius R at a distance b from a particle with positive charge Q which is l...

A: We know that flux through the segment which makes an angel A at the centre. phi = Q/2€ ( 1- cosA) Wh...

Q: Determine the resultant vector using the Pythagorean Theorem.

A:

Q: = 60°, E (b) In the same figure, find the electric flux through the plane surface if = 350 N/C, and ...

A: Given, The angle of the electric field with normal is 60   E=350 N/c   d=5cm                        ...

Q: Help please

A: The force on the conductor  F=BIL      (backward) Here F is force, B is the magnetic field, the curr...

Q: In a television set the power needed to operate the picture tube comes from the secondary of a trans...

A: Given that, Voltage of primary coil = 120 V Power of secondary coil = 89 W Current in secondary coil...

Q: 9. An object moving with a speed of 21 m/s and has a kinetic energy of 140 J, what is the mass of th...

A: Given data: Speed of the object, v=21 m/s Kinetics energy of the object, K.E=140 J

Q: Is the constant of proportionality) :which depenc

A: (a) Constant of the proportionality depends on the type of proportion between the two quantities.

Q: A. If a group of workers can apply a force of 1000 Newtons to move a crate 20 meters, what amount of...

A:

Q: 6. An object moving with a speed of 67 m/s and has a kinetic energy of 500 J, what is the mass of th...

A: From the question it is given that:  Speed of object: v = 67 m/s Kinetic energy of object: K.E. = 50...

Q: (a) In Figure below, consider a plane surface in a uniform electric field, where d = 15 cm and 0 = 7...

A:

Q: PLease asap. thanku Qs 5 If two + charges move 2 times away from each other as they were in their st...

A:

Q: (9) An iron steam pipe is 100 m long at 0°C and has a coefficient of linear expansion a= 10 x 10-6 (...

A:

Q: PROBLEM 3: Three charges are placed on three corners of a square, as shown in t igure. Each side of ...

A: Given data: The charge, q1=+4.0 nC. The charge, q2=-6.5 nC. The charge, q3=-3.5 nC. The side length...

Q: Example: In the figure, the resultant force R is 300N and the angles a & B are 25° and 45 respective...

A: SOlution: Given that R = 300 N angles are 25 and 45 degrees to reslve the force R in teh F1 and F2

Q: 4)- The crate has a weight of 550 lb. Determine the force in each supporting cable.

A: Write the given values of this problem. The mass of crate=550 lb. 

Q: Q1: A circle of radius R at a distance b from a particle with positive charge Q which is located on ...

A:

Q: Q2) A) The massless, 122 cm-wide gate shown in Fig. (3) pivots about the frictionless hinge O. It is...

A: Given: Gate width =1.22m Weight pivoted = 907kg Now applying lever action we get height of the water...

Q: A 0.66-m aluminum bar is held with its length parallel to the east-west direction and dropped from a...

A: Write the given values of this problem- Length of the aluminium bar(L) L=0.66 m Speed(V) V=17 m/s em...

Q: A pool ball leaves a 0.80 m high table with an initial horizontal velocity of 3.0 m/s. What is the h...

A: The height of the table, ∆y=0.80 m   The initial horizontal velocity of the ball, v0x=3.0 m/s   The ...

Q: How far will a 150 Newton crate be moved if 600 Joules of work are performed?

A: Force, F=150 N Work done, W=600 J  

Q: An arrow of mass 0.05 kg collided with a static apple of mass 0.1 kg and stabilized it and moved at ...

A:

Q: A quantity of a monatomic ideal gas undergoes a process in which both its pressure and volume are do...

A:

Q: الحركة على خط مستقيم 5- تستغرق سيارة سباق و 2.2 لتصل لسرعة k/h 0 10 بدءا من السكون، مامتوسط تسارعها ...

A: Since the question is not in English it has been translated in to English and solved. The translated...

Q: 98. An object that has kinetic energy must be:* O a. moving O b. at an elevated position O c. at res...

A: The Kinetic Energy of a body of mass m is defined as its energy that it possesses when it is under m...

Q: 3a) Calculate the penetration depth of the evanescent field. The angle of incident light is 65° and ...

A:

Q: Calculate the kinetic energy of a proton of the de Broglie wave length of 1 x 10 ^ -15 m Calculate t...

A:

Q: a sound source of frequency 600 hz is moving towards an observer with a velocity of 20 m/s the speed...

A: The given data are listed below with appropriate variables. Here, fo denotes the frequency of the s...

Q: At one particular moment, a subway train is moving with a positive velocity and negative acceleratio...

A: An object’s velocity is the rate at which it changes its position. A positive velocity signifies tha...

Q: A capacitor with capacitance 5 mF charged to a voltage of 10V discharges through a 5 Ω resistance. W...

A: The expression for Resistance, I=VR

Q: Kiera  uses a force of 40 Newtons to move the grocery basket 18 meters. How much work did she perfor...

A:

Q: In a cricket match, a batsman hits a ball at an angle of 36o from the horizontal with an initial spe...

A:

Q: FR •P (a) 10 (a) In Fig. 24-31a, what is the Q potential at point P due to charge Q at distance R fr...

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

Q: A pendulum in your house swings from one side to the other in a span of 0.8 seconds. If this pendulu...

A: Given values: Time period of the pendulum on earth, TE=0.8 s Acceleration due to gravity on earth, g...

Q: A transformer consisting of two coils wrapped around an iron core is connected to a generator and a ...

A: Transformer is a device which works on the principle of electromagnetic induction. A step-up transfo...

Q: (7) A copper rod is 8 m long at 20°C and has a coefficient of linear expansion a = 17 x 10-6 (C°)-!....

A:

Q: > Find force 0 = 40° d = 10 mm- V = 35 m/s U = 15 m/s D = 20 m

A:

Q: Physics probelm about torque and forces

A: The center of mass of the scale acts at the 50 cm mark in both cases Let mass of scale  M moment of ...

Q: A bullet is shot straight up with an initial speed of 180 m/s. How long is the bullet in the air and...

A:

Q: Explain Newton's Laws of Motions- Derive the formulas- Describe the applications for each law.

A: Newton's gives three law of motion which are as follows: Inertia law: When the body is moving or st...

Q: The position of a particle is given by 7(t) = t² i + lIn(t)² j + sin nt k where t is measured in sec...

A: r→=t2 i^ + ln(t2 )j^ + sin πt k^velocity, v→=dr→dt= 2t i^ +2tj ^+πcosπt k^acceleration, a^=dv→dt=2 i...

Q: An apple weighing 1 N falls through a distance of 1 m how much work is done on the Apple by the forc...

A: Solution

Q: 2th eta: 40, 58, 73, 86.8 and 11 Determine:(a) Crystal structure ?(b) Lat ?cons

A: crystal structure is defined as the periodic arrangement of atoms in the crystal. According to Bragg...

Q: 9. Figure 2 below shows the velocity of a particle as a function of time. (a) Find the acceleration ...

A:

Q: 4. What is the Kinetic Energy of a 1200 kg object that is moving with a speed of 24 m/s?

A:

The Bohr model

Students often get confused between Rutherford’s model and Bohr model of an atom. They interpret the postulates of both these models to be the same, which is incorrect. Rutherford’s model differs from Bohr’s model in the following ways: