hold in your hand a block of material with 3 x 10^ 27 protons, 3.4 x * 30 points 10^27 neutrons, and 3.1 x 10^27 electrons. Given the mass of a protons and neutrons is about 1.67 x 10^-27 kg and the mass of an electron is 9.1 × 10^-31kg. a). Determine the mass of the block, and b) Determine the charge on the block? (Recall the charge on an electron is -1.6 x 10^-19 C and the charge on a prot

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A: It is given that there are two speakers A and B, they are separated by 2 m. Both the speakers…

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A: Given :  Image distance , v = 75 cm = 0.75m Object distance, u = 25 cm = 0.25m We will use the…

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A: Introduction: Equation of motion: This is only used to find velocities, time to reach at certain…

Q: 1. Which force diagram represents the correct magnitudes and directions of the electric forces (F)…

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A: Given: Input pressure, P1 = 1200 Pa Output force, F2 = 800 N     To Find: Output surface area, A2 =…

Q: The refractive index of the standard blue (λ = 486.1 nm) and red (λ = 656.3 nm) hydrogen lines in…

A: Givenrefractive index for blue light, n1=1.74refractive index for red light, n2=1.71angle of…

Q: An object with charge 4.3×10-5 C pushes another object 0.31 micrometers away with a force of 7 N.…

A: Given data:  Charge on first object (q1) = 4.3×10-5 C Distance (r) = 0.31 μm = 0.31×10-6 m Force (F)…

Q: For a fifth set of maneuvers, the astronaut’s partner calculated her average acceleration over the 2…

A: Given data:  Time interval (Δt) = 2 s Initial velocity (v1x) = -0.4 m/s Acceleration (ax) = -0.5…

Q: Part A Inelastic Collisions: A 5-kg ball collides inelastically head-on with a 10-kg ball, which is…

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Q: A mama racoon uses an old spring as a baby cradle. She places her 1.0-kg baby on a spring with a…

A: Given data:  Mass (m) = 1.0 kg Spring constant (k) = 8 N/m Amplitude (A) = 0.25 m Required: The…

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Q: 1. a). A ray of light enters three blocks (A, B, & C) of varied materials and refracts as shown…

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Q: Evaluate the cross product A×B if A = 27, B = 85 and θ = 101°. Evaluate the cross product C×D if C…

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Q: In science-fiction movies, the movie makers provide exciting visual and sound effects, such as  the…

A: Sound:- A sort of energy created by vibrations is sound.  The vibration of an object causes the…

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Q: 3. Three particles travel through a region of space where the magnetic field is out of the page, as…

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Q: In this example, we will apply Snell's law to the refraction of light across a water–air interface.…

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Q: How far apart are a proton and electron if they exert an attractive force of 3 N on one another?

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Q: A submersible vehicle is in ocean at a depth of 26.2 m. What is the absolute pressure (in Pa) at…

A: Given data:  Depth (h) = 26.2 m Density of water (ρ) = 1.00×103 kg/m3 Atmospheric pressure (Patm) =…

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A: Given data:  A car can go from zero to sixty in eight seconds Required: The characteristics of the…

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Q: Two metal plates are separated by 6 inches with a potential difference of 0.30 kV. What is the…

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Q: A simple pendulum oscillates with an amplitude of 10.0°. Part A What fraction of the time does it…

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Q: A fisherman spots a fish underneath the water. It appears that the fish is d0 = 0.51 m under the…

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Q: Prove that the momentum (p) effect of a free particle is

A: As per the second law of motionF→=dp→dtnow in case of free particles there is no force acting on…

Q: Angular and Linear Quantities: An electrical motor spins at a constant 2695.0 rpm. If the rotor…

A: Given data The angular speed is given as ω=2695 rpm. The rotor radius is given as r = 7.165 cm.…

Q: Problem 8 TV Remote & Sound A remote contraol output a signal with power Po. (a) If the remote…

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A: According to the Gauss law, the total flux associated with a closed surface equals 1 ε0 times the…

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Q: Below a beam of length L is in equilibrium while being fully submerged in water the beam is…

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Q: A 12-kgkg box is placed on one end of 1.0-mm-long plank. The plank itself also has a mass of 12…

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Q: NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to…

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Q: Alloys of gold are rated in karats, a dimensionless unit that is used to indicate the proportion of…

A: Given data:  Density of gold (ρ) = 19.3×103 kg/m3 Weight (W) = 1.83 N Required: The volume (V)

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A: Given, mass of the rod, M = 80 g length of the rod, l = 37 cm mass of the clay ball, m = 12 g…

Q: Evaluate the cross product A×B if A = 39, B = 59 and θ = 43°. Evaluate the cross product C×D if C =…

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Q: 1. A uniform crane arm (length L) is attached to the rest of the crane by a frictionless axle at its…

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Q: Light produced by a particular laser has a wavelength of 635 nm. What is its frequency? a.…

A: Given data: The wavelength, λ=635 nm                              =635×10-9 m   Using the formula,…

Q: 4. Water enters a narrowing pipe, moving at 8m/s as shown. The radius of the pipe at the opening is…

A: Given data, Radius, R=0.2 mr=0.12 m Velocity V=8 m/s

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Q: A stone used in the sport of curling has a mass of 18.0 kg and is initially at rest, sitting on a…

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Q: Calculate the speed of light in air, water, and diamond if the refractive indices are  1.0003,…

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Q: What frequency is heard by a passenger on a train moving in the opposite direction to the first at…

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Q: An astronaut takes what he measures to a be a 10-minute nap in a space station orbiting Earth at…

A: Given time in astronaut frame, t=10 minvelocity of astronaut, v=8000 m/sconcepttime dilation: as per…

Q: A 20-kg cube connected to a light spring for which the force constant is 20 N/cm oscillates on a…

A: Given data:  Mass (m) = 20 kg Force constant (k) = 20 N/cm = 2000 N/m Amplitude (A) = 0.30 m…

Q: When entering the values the answer shows as wrong, would it be that we use 1/12 ML^2 insted of 1/3…

A: Given, Angular velocity = 6 rev/s = 6×2π rad/s = 12π rad/s radius of sphere , r = 3m  mass of…

Q: 7. A light bulb is placed B cm from a convex lens having a D m focal length. Use ray tracing to get…

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Q: Conservation of Momentum: The momentum of an isolated system is conserved only in elastic…

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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.