State whether the potential energy of the underlined object increases or decreases as a result of the change described.

Q: A hollow conducting sphere of radius 0.12 meters has a uniform charge distributed on its surface. Th...

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Q: Р (Ра) 4000- 2000+ -V (m³) 0.5 1.0

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Q: An athlete rotates a 1.00 kg discus along a circular path of radius 1.06 m. The maximum speed of the...

A: Given value--- Mass = 1 kg. radius = 1.06 m. speed = 25 m/s. We have to find--- maximum radial ac...

Q: Determine the currents through each resistor (I1, I2, and I3). JUNCTION R;= 10 A R2-51 12 Is V = 9V ...

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Q: Caitlyn decides to test her strength to see if she is as strong as she was when winning Olympic gold...

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Q: A 284N crate resting on a plane inclined 37-degrees with the horizontal requires a 23.9N force to br...

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Q: A potential difference of 60 V exists between the ends of a wire of length 110 cm. if its diameter i...

A: Given in question: Potential difference(V) = 60V                                                    ...

Q: show the appropriate figure: A light is to be placed directly above the center of a circular plot of...

A: The diagram is given below. The diagram is given below.   Express the relation for the intensity I ...

Q: A projectile can have the same range R' for two angles of projection. If 'T,' and 'T,' to be time of...

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Q: A block of mass m = 2.3 kg is dropped from height h = 75 cm onto a spring of spring constant k = 190...

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Q: A capacitor having a capacitance of 40 uF is connected across 250 V DC source. The charging current ...

A: Charging current will drop to zero when-(c) capacitor is fully charged. It is because when capacitor...

Q: A nerve fiber may be approximated as a cylinder with a diai m. Find the resistance of this nerve fib...

A: GivenDiameter of cylinder ,d=1×10-5 mLength ,L=2×10-1 mResistivity ,ρ=2.5 Ωm

Q: A projectile is fired vertically with an initial velocity of 200 ft/s.Using the law of conservation ...

A: A projectile is fired vertically with an initial velocity of 200 ft/s.

Q: What will be the value of the current I in the circuit EA 2 V 30 Ω 30 2 B 30 2

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Q: The potential field in a region in vacuum is y=rty+z volts. Find the total potential energy stored i...

A: The potential field in a region in vacuum is given as                          V = x+y+z V Now we ha...

Q: Assume M = 25 kg and m = 20 kg.  Ignore friction, the mass of the pulley and the mass of the rope.  ...

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Q: Four resistors of 1000 ohms each are arranged in a square. What is the resistance across either diag...

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Q: By default, infinity is used as the point of zero potential. Why do you think this is? a.) In infin...

A: Say we have a positive charge of magnitude Q so electric field and potential at distance r from the ...

Q: If two electrons are each 4.97x10-14 the magnitude of the net electric force they will exert on the ...

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Q: An X-ray photon of wavelength 2.70 Angstrom has an energy in electron volts of

A: An X-ray photon of wavelength 2.70 Angstrom.    1 Angstrom = 10-10 m.

Q: A coin is tossed straight up with an initial speed of 20 m/s from a surface. When the coin returned ...

A: Here u= initial velocity,v= final velocity a= accelaration ,t= time ,s= distance  and g= accelaratio...

Q: Two capacitors and a 12-V battery are connected in parallel with each other. How does the yoltage ac...

A: Given data:  Two capacitors are connected in parallel Battery voltage (V) = 12 V Required: The volta...

Q: 4 . A certain amount of excess charge is transferred a conducting sphere with a diameter of 30 cm su...

A: Electric potential at centre of sphere of radius R having charge Q is given as V= KQ/R

Q: A sample of ideal gas in a thermally insulated container with a movable piston is initially in state...

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Q: Two particles have opposite charges equal to 1.6 µC (microcoulomb) and -2.6 µC(microcoulomb). The di...

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Q: 2. An LRC ac series circuit has R= 15 2, L= 25 mH, and C= 30 uF. The circuit is connected to a 120-V...

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Q: Which Of The Following Running Speed Is The Fastest? Student C: 100 In/S Student A: 2 M/S Student D...

A: SI unit of speed is m/s We need to convert all given data into m/s We know 1 inch = 0.0254 m 1 mile ...

Q: -kg box full of Adam Shiff's spin toys is initially at rest on a frictionless table top.  A stopwatc...

A: Given Mass m = 5 kg Force F = 9 N Acceleration a = F/m = 9/5 = 1.8 m/s2 

Q: A 292N crate resting on a plane inclined 22-degrees with the horizontal requires a 25.7N force to br...

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Q: The ratio circumference/diameter for all circles is p. What is the ratio force/mass for freely falli...

A: Given  Ratio of circumference / diameter for all circle is π . Let ,  diameter of  circle is ' d ' T...

Q: A heat engine experiment was done using a cold reservoir at 10°C and a hot reservoir at 80°C. The re...

A: What is an isothermic expansion process, let's understand that first: it is a process of increasing ...

Q: The negative sign in the force between two point charges a. indicates that the force is repulsive b....

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Q: A box of canned goods, contents have a total mass of 4.5 kg, is pushed 2 m along the floor by a cons...

A: The free body diagram of the box is given below.  

Q: Three charges form an equilateral triangle of side length d =9 cm. The top %3D charge is q3 = 6 µC, ...

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Q: A total charge of 30 microcoulombs is equally distributed throughout the volume of a insulating sphe...

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Q: our friend of mass 80 kg float in freshwat

A: we know volume , V = Mass (M)/ density (D)                             mass (M) =80 kg density (D) =...

Q: 5. Given a charged cylinder of +10 µC, a diameter of 1.5 cm, and a length of 10 cm, solve for the fo...

A: Electric field is defined as force per unit charge. For point charge it is given as E = kq/r2 To sol...

Q: Which of the following have the greatest kinetic energy after a beta plus decay? Select one Oa None ...

A: In nuclear physics Beta decay is a type of radioactive decay in which a beta particle emitted form t...

Q: "Consider a heat engine with a piston chamber that has a diameter of 30 mm, a cold reservoir at 285 ...

A: Temperature of cold reservoir ( TL )=285 K. Temperature of hot reservoir is ( TH) =350 K. Volume of ...

Q: if angle θ  is 59 degrees and C is 2.99 kN. what is the resultant in kN.

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Q: A gas undergoes a thermodynamic cycle as shown. What is the change in internal energy for the cycle?

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Q: A 10-µF capacitor is plugged into a 110 V-rms 60-Hz voltage source, with an ammeter in series. What ...

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Q: semitrailer is coasting downhill along a mountain highway when its brakes fail. The driver pulls ont...

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Q: Explain how does the experimental tume of light change as the augle incresses

A: Let us say we have a projectile which is projected with some initial velocity u making an angle θ wi...

Q: A thundercloud produces a vertical electric field of magnitude 28.0 kN/C at ground level. You hold a...

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Q: Three charges are placed at the corners of an isosceles triangle as shown in the figure below. The 5...

A: Draw the free-body diagram of the system.

Q: A person sitting on a pier observes incoming waves with a distance of 2.5 m between the crests. If t...

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Q: 542.200-watt electric stove operates on a 220 volt line. What curent passes through the electric sto...

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Q: Write A if what is in column A is greater than in column B, B if column A s less than in column B, C...

A: The net capacitance of identical capacitors connected in series is Cnet = Cn, where C = the capacita...

Q: You toss a 0.150-kg baseball straight upward so that it leaves your hand (from the ground) moving at...

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