Question: What is the net charge of the electroscope after connecting the metal dome to the ground? Is it neutral, net positive, net negative, or it cannot be determined

Q: In an engine, a piston oscillates with simple harmonic motion so that its position varies according…

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Q: How much electrical energy is transferred to thermal energy in 2.50 hrs by an electrical resistance…

A: Given in question - Time (T) = 2.50 hr = 2.5×3600 seconds…

Q: 1. Compute the following given the schematic diagram below. a. Total Capacitance b. Voltage, energy…

A: The value of each capacitor should be given

Q: Anti-reflective coatings on lenses use thin-film interference to eliminate the reflection of a…

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Q: A hole in the ground in the shape of an inverted cone is 20 meters deep and has radius at the top of…

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Q: • Part A The mass of a regulation tennis ball is 57.0g (although it can vary slightly), and tests…

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Q: Calculate the net charge at 7.0 µC located at the peak of an equilateral triangle.

A: The net Force at 7.0 micro coulomb is 0.873 N

Q: ommy the turtle is 255 cm east of his house. He started the afternoon by travelling at 90.0cm in a…

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Q: The velocity (imm/s) of a particle is given by vft) = 2t – 6 where t is the time in seconds. During…

A: Velocity=2t-6

Q: 19.) An incident light passes through an aquarium, which is from glass to water. Which of the…

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Q: raft is 2.35 m wide × 1.25 m long × 0.365 m deep. What is the buoyant force on the raft if only…

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Q: 4. A 1200 kg car rounds a curve of radius 67 m banked at an angle of 12°. If the car is traveling at…

A: We have a car of mass m=1200 kg which is moving with a speed v=95 km/h=26.3889 m/s on a road of…

Q: I need help with both questions please

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Q: Part 1: Concept notes ( i need 10 terms ) Terms/Concepts How do I understand it…

A: Speed of the spaceship v=70c/100=0.7c, distance travelled to the other planet d=5 light years, time…

Q: . A 3 kg ball traveling to the left at a velocity of 2.3 m/s collides with another 0.5 kg ball…

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Q: )A proton with mass 1.7 x 10-27 kg and moves with velocity 2.6 x 106 m/s to the right. What is its…

A: Given: The mass of the proton is 1.7x10-27 kg. The velocity of the proton is 2.6x106 m/s.

Q: An object with a height of 2 cm is placed 3.2 cm to the left of a converging lens with a focal…

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Q: a GPS receiver told you that your home was 15.0 km at a direction of 40 degrees north of west, but…

A: a GPS receiver told you that your home was 15.0 km at a direction of 40 degrees north of west, but…

Q: An equilateral triangle 8.0 cm on a side is in a 4 mT uniform magnetic field. The magnetic flux…

A: Given side length of of an equilateral triangle = 8 cm Strength of magnetic field = B = 4 mT…

Q: Part A A microscope with a tube length of 200 mm achieves a total magnification of 400x with a 20x…

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Q: An object with a height of 2 cm is placed 3.2 cm to the left of a converging lens with a focal…

A: Here uc= object distance for converging lens ,vc= image distance for converging lens ,fc= focal…

Q: Xian Ping throws a 0.5 kilogram ball at a wall. The ball hits the wall perpendicularly with a…

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Q: positively charged ball falls vertically along the lines of a uniform electric field. The weight of…

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Q: Albert Einstein received the Nobel Prize in Physics in 1921 "for his services to theoretical…

A: The correct answer is option (1) i.e. It essentially describes how photons of light provide energy…

Q: 2. The figure below is an experiment in which a laser pulse is fired in a train moving at speed v,…

A: The guy sitting inside the train has a frame O' which is moving with a velocity v with respect to…

Q: 3. A closely wound 0.20m X 0.20m square coil of 100 turns is exposed to an external magnetic field…

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Q: · A water is flowing in a pvc tube that has a varied cross-sectional area. (a) Find the velocity of…

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Q: Water emerges straight down from a faucet with a 2.99-cm diameter at a speed of 3.00 m/s. (Because…

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Q: capillary tube of 0.01 mm diameter if the surface tension of water is 73.6 x 10^-6 N/mm

A: Solution

Q: Light that is nonpolarized has an intensity of 6.0 W/m2. Rays of this light are incident on two…

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Q: 8.) Which of the following is a correct condition for a total internal reflection to occur?…

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Q: Anti-reflective coatings on lenses use thin-film interference to eliminate the reflection of a…

A: The minimum thickness of the film is 101.52 nm

Q: From a speed of 20 m/s, a car decelerates at a constant rate of 0.14 m/s² along a straight path. How…

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Q: will its frequency change?    Question 4 options:   Increase by a factor of 2   Increase by a…

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Q: An ideal air-filled parallel-plate capacitor holds a fixed amount of equal but opposite charge on…

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Q: Please explain. In the collision of disks, the system is not isolated because of existence of…

A: Explanation (1) : Angular momentum is conserved in this case. Because in the given condition, all…

Q: A small piston of a hydraulic press has an area of 20.0 cm^2. If the applied force to the piston is…

A: Answer:-  Given  Area(A1) = 20.0 cm2  Force (F1) = 75.0 N  Force (F2) = 6550 N  Area (A2) = ?  We…

Q: A driver drove from City A to City​ B, a distance of 85 miles. She then stopped for 2 hours to see…

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Q: 4. The thin plate shown is composed of a rectangular plate of mass 102 kg and a quarter-circular…

A: Answer is  432.31kg

Q: 1. Spring and SHM Consider a mass on a spring system that moves in simple harmonic motion. If the…

A: Given  Amplitude is doubled  i.e. A' = 2A i ) maximum speed Solution v = Aw v' = A' w v' = 2Aw v' =…

Q: Block A in the figure (Eigure 1) has mass 1.00 kg, and block B has mass 3.00 kg. The blocks are…

A: The final speed of block A is 4.2 m/s  And the potential energy stored is 10.78 j

Q: - A boat sets sail moving at 65 mph due S boat then encounters a head wind mov direction that the…

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Q: The flat surface shown is submerged vertically in water. Find the fluid force against the surface.…

A: Determine the center of gravity of the triangle from the free surface of the water.

Q: Find the gravitational potential energy of a light that a mass of 22 kg and is 5 m above the ground…

A: Given data :- mass m = 22 kg height above the ground h = 5 m

Q: A figure skater performs a twisting jump. She rotates around her longitudinal axis 2 times in 0.65…

A: Given data:  Angular displacement (Δθ) = 2 rev Time (t) = 0.65 s Required: The average angular…

Q: The scale of a spring balance that reads from 0 to 49.9 kg is 20.1 cm long. A package suspended from…

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Q: An asteroid of mass 1.3 x 10" kg must be diverted 8.5 hours before How can this be done (in other…

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Q: In the circuit shown, R1 = 3 N, R2 = 2 N, R3 = 5 N, ɛ = 4 V, ɛ2 = 10 V and ɛ3 = 6 V. Find the…

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Q: What must be the speed of a moving train so that an observer on the train sees a meter stick as 50.0…

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Q: What is the final temperature, how much water is there, and how much ice is there if 856.0g of ice…

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.