The photoelectric cut-off voltage in a certain experiments is 3 V. What is the maximum kinetic energy of photoelectrons emitted ?

Q: 1. One morning, Connie walks from her house to go to a store that is 500 ft, S 40° W from her house....

A: We have to find the friend location

Q: Picture below shows two charges, Q and –2Q placed along a horizontal line. In which region can a neg...

A: Given that:- Two charges are placed on horizontal line.

Q: Part A A point charge qi = 4.10 nC is placed at the origin, and a second point charge q2 = -3.00 nC ...

A: Use the formula of point charges for three charges and put the values and solve.  For net potential ...

Q: Consider three charges, QA = +6.0 µC, QB = +8.0 µC and Qc = -2.0 µC. Charge Qais placed at point A =...

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Q: How does the potential difference across the terminals of the battery depend on the number of resist...

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Q: B. The Gaussian cylinder encloses a negative charge. (The field from part A is removed.) • Find the ...

A: B) As the charge enclosed by the Gaussian cylinder is, -Qo

Q: How does the potential difference across the terminals of the battery depend on the number of resist...

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Q: ) A proton (p) of mass 1.43-u(unified atomic mass units) traveling with a speed 4.13 x 104 m/s of ha...

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Q: A thin 10.0 kg bar of 2.0 m length is set rotating about its center.  It completes a rotation every ...

A: givenMass of bar, m=10 kgLength of bar, L=2 mTime taken to complete rotation, t=2 s

Q: Figure below shows interference pattern observed on a screen after green light passes through a doub...

A: Wavelength of orange light is greater than that of green light.

Q: Discuss the variables that affect the strength and direction of the electric field for a static arra...

A: To find: Discuss the variables that affect the strength and direction of the electric field for a st...

Q: A certain battery with potential difference of 2 Volts can deliver 10 Joules of energy, determine th...

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Q: f a spring has a spring constant of 400 N/m , how much work is required to compress the spring 1.0 m...

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Q: A rock guitarist plays his 100. Watt amplifier wide open. If you are standing a distance of 8.00 ...

A: Given Data, Power of the amplifier (P)=100 watt Distance from the speaker (d)=8.00 m  

Q: Calculate the magnitude and determine the direction of the net electric force on the +1.0C charge pl...

A: Given: q = +1.0 Cq1=+1.0Cq2=-1.0Cq3=+1.0C L=1m  

Q: Two bars, A and B, each of length 2.3 m and cross-sectional area 1.7 m2, are placed end to end as sh...

A: Given: Length of bar A and B, L=2.3 m Cross sectional area of each bar, A=1.7 m2  Thermal conductivi...

Q: Least Count and Uncertainty of Instruments Uncertainty of instrument = ½ * least count of instrument...

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Q: The values of the components in a simple series RC circuit containing a switch (see figure below) ar...

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Q: Solve for the electric field 50cm away from a conductor that has a linear charge density of 25.0 µC ...

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Q: Three charges are fixed to an x,y coordinate system. A charge of + 18 µC is on the y-axis at y =+3.0...

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Q: increases by 1% when temperature is increased by 1°C. Find The pressure of a gas filled in a closed ...

A: Given Increase in pressure =1% Increase in temperature =10C

Q: For a given cylindrical tank, the radius is 8 m and the height is 18 m. The tank is filled to a dept...

A: Solution: Given that r = 8 m, h = 18 m water filled H = 10 m  

Q: What mass of fresh water (in kg) can be contained in a box whose dimensions are 270 mm by 257 mm by ...

A: 1mm = 10-3 m    if volume of box is V  and density of liquid stores in it is d  and mass of liquid s...

Q: A metal sphere has a charge of + 8.0 µC. (a.) How many electrons does it have? (b.) What is the net ...

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Q: In the figure, a 4.0 kg block slides along a track from one level to a higher level after passing th...

A: According to work energy theorem  Work done = change in kinetic energy 

Q: 6. BONUS PROBLEM (CALCULUS BASED - NON NUMERICAL PROBLEM). Here we are designated to observe a block...

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Q: Learning Goal: To practice Problem-Solving Strategy 17.1 Coulomb's Law Two charges are fixed on the ...

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Q: A patient is to be given a blood transfusion. The blood is to flow throug from a raised bottle to a ...

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Q: Submit Request Answer Two blocks are connected by a very light string passing over a massless and fr...

A: Given: The hanging weight is 12 N. The weight of the block on the floor is 20 N. The system moves at...

Q: Please help me to solve this. 1. A car is traveling at 65.2m/s . It slows to a stop at a constant ra...

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Q: A drive decreases the speed of a car from 54 m/s to 12 m/s in 6 seconds.find the acceleration of the...

A: Given data :                     Initial velocity of car  =  u                     Final  velocity  ...

Q: A bird flies the following the displacements below at constant speed and is being chased by a dog, 1...

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Q: How high would a 4.8 kg squirrel has to climb a tree to have a gravitational potential energy of 52 ...

A: GivenGravitational potential energy = 52 JMass of squirrel (m) = 4.8 kg

Q: 2. The worker knows that the lower crate has a mass of 50 kg and the upper a mass of 10 kg. She find...

A: Given data: The mass of lower crate is M=50 kg. The mass of upper crate is m=10 kg. The force appli...

Q: If a generator got more energy out than what you put into it (first law seemingly violated), what ty...

A: The reaction is exothermic.

Q: A pilot is flying a small plane at 56.6 m/s in a circular path with a radius of 188.5 m. The centri...

A: The centripetal force is the radially inward force that balances the radially outward centrifugal fo...

Q: The total electric flux from a cubical box of side 28.0 cm is 1.85 x 103 Nm2/C. What charge is enclo...

A: GivenSide of the box =28.0 cmTotal electric flux through the box (ϕ) = 1.85 × 103 Nm2/C

Q: Part A A whistle you use to call your hunting dog has a frequency of 21 kHz, but your dog is ignorin...

A: Doppler's Effect: It is the phenomenon in which the observed frequency changes due to the relative m...

Q: Electromagnetic wave of unknown wavelength passes through the slit of width a =3.79 µm and the first...

A: Use diffraction condition and put the values this will give Wavelength of the electromagnetic wave.

Q: Calculate the electric field that a test charge will experience on the following distances from the ...

A: The electric field due to a source charge q at a distance r is given by, E=kqr2, where k is Coulomb'...

Q: 35 Which term refers to amount of work done equivalent to the energy present in the field of interac...

A: Which term refers to amount of work done equivalent to the energy present in the field of interactio...

Q: Calculate the gravitational potential energy of a 13.5 kg box on a shelf 7.0 m above the floor. Assu...

A: Given data :              Mass  =  m              Height  =  h             Gravity  =  g        To f...

Q: What is the electric charge of 0.44 of a mole (NA = 6.023 × 1023) of alpha particles (ionized helium...

A: IN THE QUESTION IT IS GIVEN THAT THERE IS 0.44 MOLES OF He2+ IONS WE KNOW THAT IN 1 MOLE OF He2+ IO...

Q: Explain how induction occurs.

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Q: Part A You throw a 3.00 N rock vertically into the air from ground level. You observe that when it i...

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Q: he electric potential energy of two point charges ___________.     Select one: a.  is inversely p...

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Q: A single electron accelerates between the cathode and the anode that has a potential difference of 2...

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Q: Hardy, an avid JikTeker decided to look at his wristwatch to tell his friend dolphins the current ti...

A: Given:Length of hour hand, h = 6.20 cmlength of minute hand, m = 9.50 cmassumption: hour hand moves ...

Q: 1. Which of the following graphs represent an object having constant velocity? 2. Which of the follo...

A: In this problem, it is asking for the graphs that represent the constant velocity graph. The constan...

Q: 1. A block of mass m is accelerated across a rough surface by an applied force F, directed at an ang...

A:

Blackbody

Q.5 A blackbody radiates how much energy when the temperature of the body is elevated?