Calculate the net energy required to transfer an electron from Cs to At. (in eV

Q: A force of 6.0 N is applied at the end of a lever that has a length of 3.0 meters. If the force is a...

A:

Q: Q6) Ionizing radiation can be used on meat products to reduce the levels of microbial pathogens. Ass...

A: Radiation dose required for upper level = 3.8 Kgy = 3.8 kJ/kg Total amount of beef = 3Kg So, total a...

Q: Examine the following position time graph: time A) The graph shows an object's velocity is constant ...

A: 1. Object in Uniform motion  Slope of position time graph gives velocity The graph shows an object's...

Q: A scientific hypothesis" A may or may not be testable B. is a synonym for the term "scientific theor...

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Q: Q13) The kinetic energy of a car moving along a horizontal road is 120 kJ. The driver applies the br...

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Q: Which of the following graph shows an object's velocity is constant and negative? A time B time ... ...

A: The correct option is C. since position time graph is linear which means slope is constant and the s...

Q: 200N 100N 3

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Q: A string 1.50m long has a linear density u=7.50x10*kg/m. The left end of the string is held fixed an...

A: We have v=fλ and v=Tμ. Hence Tμ=fλ⇒mgμ=fλm=f2λ2μg

Q: High voltage power lines are not covered with an insulating outer cover. a) What is the reasoning be...

A: Part a) These power lines operate at very very high voltages. At such voltages, it takes a lot more ...

Q: Which of the following is an example of an error due to instrument: A Air currents affect the balanc...

A: There are many types of errors that can be occurred while taking the measurement. It can be occurred...

Q: When we say that light objects and heavy objects fall at the same rate, what assumption are we makin...

A: If two objects , one light and one heavy object are falling in air medium then they fill a resistive...

Q: the projectile launcher fires straight upwards at the Angle 55 degrees at 23.0m/s what is the maxim...

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Q: A motorbike crosses the starting line on a race track travelling at 84.2 ms and accelerates at 2.6 m...

A: Given a race track travelling at 84.2ms accelerates at 2.6 ms for 0.8 seconds  We have to find the s...

Q: Electrostatic Force, Electric Field, and Electric Flux A uniform electric field E = 5000 N/C passing...

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Q: The cutoff frequency, fo, for a low pass filter is given by the following equation: 1 2TRC The compo...

A: We have fc=12πRC=12π×1.5×103×0.02×10-6=5305.16 Hz

Q: Problem# 4: A trailer with a mass of 700 kg is pulled by a 2000-kg vehicle and accelerates at a rate...

A: The mass of the trailer is mt=700 kg The mass of the vehicle is Mv=2000 kg The acceleration is denot...

Q: A cannon shoots a cannonball out at a 60-degree angle. The trajectory that the cannonball takes is i...

A: Initial fired at angle 60° Let the initial velocity of projectile be u  

Q: If a liquid is contained in a tank, pressure at the bottom of a tank is given by: p= pgh, where p is...

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Q: leon Calix throws a projectile with a velocity of 40 m/s at an angle of 20 deg above the horizontal....

A: Motion of projectile can be divided into x component and y component.

Q: Who do you agree with? Anita: “A projectile's vx changes because of gravity, and its vy remains cons...

A: Please note : As per answering guidelines i can answer the 1st question only. Since, this is not a m...

Q: An object (A) of mass m A = 30.0 kg is moving in a direction that makes angle of 44° south of west w...

A: Draw the schematic diagram of the motion.

Q: A 1.27-kg sample of water at 14.5°C is in a calorimeter. You drop a piece of steel with a mass of 0....

A: Let final temperature be T, then heat lost by steel is heat gained by water. msCs201-T=mwCwT-14.5

Q: An object with a mass of 1.58 kg is initially at rest upon a horizontal, frictionless surface. An ap...

A: Given in question - Mass of object(m) = 1.58 kg                                  Force applied(F) = ...

Q: Which vector pair correctly represents the acceleration and velocity at point P? А. В. C. D.

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Q: Q1/3) A force acts on a body with a mass of 10 kg, and it acquires an acceleration. itself, so the f...

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Q: Charging a neutral object by induction with a negative rod makes the neutral object ____.

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Q: In open heart surgery, a small amount of energy is often used to defibrillate the heart. We know the...

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Q: A 52.4-kg skydiver reaches a terminal speed of 63.3 m/s with her parachute undeployed. Suppose the d...

A: Given : mass of skydiver, m = 52.4 kg Terminal speed, v = 63.3 m/s2  Fdrag = kv2  Acceleration due t...

Q: 3) a) From the result for the field along the z-axis of a uniformly charged ring, find the point on ...

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Q: How much work W does the battery connected to the 21.0-ohm resistor perform in one minute? Express y...

A: emf = E = 12 Volts internal resistance = r = 3 ohms resistance = R = 21 ohms

Q: A charge of + 80 µC is placed on the x - axis at x = 0. A second charge of - 50 µC is placed on the ...

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Q: An elevator car has two equal masses attached to the ceiling as shown. (Assume m = 4.10 kg.) T, (a) ...

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Q: A Saturn V rocket has a mass of 2.70 x 106 kg and a thrust of 3.30 x 107 N. What is its initial vert...

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Q: 3) Nerve cells transmit electrical signals through their long tubular axons. These signals propagate...

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Q: Based on the equation of the electric field. What is the relationship between electric field and the...

A:   Equation of electric field is given by  E=FQ

Q: The drawing shows a collision between two small balls. Ball (1) has a mass of 140 g and is moving al...

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Q: A bar of uniform density has a mass of 6.00 kg and has a point charge at one end and is pinned at th...

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Q: A projectile, initially 80.0 m from the ground, has an initial velocity of 50.0 m/s, +60 °. a) Where...

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Q: Look at the velocity-time graph given. 12 ... 10 v (m/s) 8 6 4 10 20 30 40 t (s) iii. 15-20 seconds ...

A: Given data:  Velocity-time graph Required: Time interval during acceleration of the train is zero 

Q: Find the critical angle (0critical) at which total internal reflection will occur for the optical fi...

A: The critical angle can be calculated by taking the inverse-sine of the ratio of the indices of cladd...

Q: A microwave transmitter emits electromag- netic waves of a single wavelength. The maxi- mum electric...

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Q: Which angle gives a longer range? 300 or 500

A: Let the initial velocity of a projectile = u Let the launch angle = θ  

Q: A sound with sound pressure level of 100 dB hits a barrier as shown in Fig. Q4 (a), what is the soun...

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Q: Electric Potential The work done brings a charge of q from infinity to a point P which is at a dista...

A: Work done to moving a charge from on point to another is given by:- W = q.(Vf - Vi) Here, W = work d...

Q: Equal charge of electrons are placed in two spheres 3 cm apart in air. If the resultant force is 4kN...

A: Given data: The distance between the spheres is r=3 cm. The force between the charge is F=4 kN.

Q: Q17) A stone is projected vertically upwards with a speed of 12 m/s from the top of an 18 m high bui...

A: When a stone is projected vertically upward first the stone reaches at a maximum height and then fro...

Q: d the resultant vector. 227 degree Equilibrant Vector = 500 Newton

A: magnitude of equibrant vector=500 N Angle =227 from +X axis

Q: Q2) A car and a truck are traveling in along a straight road as shown in the picture. At time t =0 t...

A: The distance between the car and truck (D) = 40 m Initial velocity of car (u)= 15 ms, towards right ...

Q: 1. If water is cooled from 50°C to -5°C, what is the temperature change on the Celsius, Fahrenheit a...

A: Given: initial temperature of water T1 = 50o C Final temperature of water T2 = -5o C 

Q: 2. Work, Energy, Power, and Energy Conservation. In Doctor Stranger Episode 13. A heart surgery was ...

A: Given: l = 16 cm = 0.16 m∆x=3.75 cm = 3.75*10-2 mF=1.50 Nxmax=1.14 cm = 1.14*10-2 mt=1 hr

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: