What is the electric force in q3?

Q: An electromagnetic wave has wavelength λ and frequency f. What is the frequency of an electro-…

A: Given Data:- Wavelength of the electromagnetic wave is λ. Frequency of the wave is f. Required:-…

Q: A rope (1.5 m) is attached to an object of 2 Kg and is being swung with a velocity of 2 m/s in a…

A: Solution: Part a) The centripetal acceleration of the object is given by: a=v2/r where v is the…

Q: What is the wavelength used by a radio station that broadcasts at a frequency of 930 kHz?

A: frequency of radio wave                                          f = 920 kHz We need to find…

Q: A bike wheel initially rotating at 5.00 rad s begins experiencing an angular acceleration of 2.60…

A: GIVEN INFORMATION            We have…

Q: In the figure, a block of mass m = 4.00 kg slides head on into a spring of spring constant k = 230…

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Q: The wire carrying 325 A to the motor of a commuter train feels an attractive force per unit length…

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Q: A luge and its rider, with a total mass of 85.0 kg, emerge from a downhill track onto a horizontal…

A: Given:- The total mass of the rider with luge is m = 85.0 kg  The initial speed on the downhill…

Q: A long rod of length L =2.00 m lies along the x axis and has a non-uniform mass density given by: x4…

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Q: 6. Consider the following pulley system on an inclined plane Determine the acceleration and Tension…

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Q: If the north end of a compass points in the general direction of Earth's Geographic North, it is…

A: Solution: Given: If the North end of a compass points in the general direction of Earth's Geographic…

Q: The near point of a farsighted person is 65 cm. What power contact lens must he use to correct this…

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Q: The figure below shows a cross section of a long thin ribbon of width w = 5.85 cm that is carrying a…

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Q: A 69.1-kg circus performer is fired from a cannon that is elevated at an angle of 48.2 ° above the…

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Q: 3. A spring is attached to the bottom of an empty swimming pool, with the axis of the spring…

A: Given: mass of block of wood m=8.50 kg density of block  ρ=735kgm3

Q: A cylindrically shaped piece of collagen (a substance found in the body in connective tissue) is…

A: By the Hooke's law ,the strain in the any object is directly proportional to the stress applied up…

Q: (a) A well-insulated electric water heater warms 121 kg of water from 20.0°C to 45.0°C in 23.0 min.…

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Q: Find the frequency of the waves.

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Q: 4. Eddy throws a little sand bag so that it lands on the top of a vertical post that is 4 m high.…

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Q: A copper rod (length = 2.74 m, radius = 4.72 x 103 m, Young's modulus 1.1 x 1011 N/m²) hangs down…

A: The young modules of the rod is given as, Here L is the length of the rod, A is the area , Y…

Q: A person with body resistance between his hands of 13 kΩ accidentally grasps the terminals of a 15…

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Q: 2. What is the smallest number of whole logs (density=760 kg/m³, radius= 0.082 m, length = 2.82 m)…

A: Calculate the volume of a log. V=ALV=(πr2)LV=π(0.082 m)2(2.82 m)V=0.05957 m3

Q: Subject: Differential Equations An object weighing 24.5N is dropped with initial velocity 15m/s. The…

A: The weight of the object is 24.5 N. The initial velocity of the object is 15 m/s. The air resistance…

Q: A 24-inch diameter tire rotates 8.2 revolutions per second a. determine the angular speed of the…

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Q: 6.54 H inductor and a 85.4 ohm resistor are connected in series and the circuit is connected to a…

A: Inductance, L = 6.54 H  Resistance, R = 85.4 ohm Voltage, V = 14.8 V  Time, t = 2.65 ms = 0.00265 s

Q: E 2M before m. after 3. A photon heads down the + axis with given energy E and collides with a 2m at…

A: Momentum of photon having Energy E can be written as p=EC . In any kind of collision momentum in…

Q: 0 1.51 3.40 Energy (eV) 13.6 O O O O O 3.4 eV 13.6 eV 1.9 eV 10.2 eV 1.5 eV x=4 n=3 n=2 * =1 71 = 00…

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Q: Dolphins Dolphins use a process called sonar to find their way and to find food. They emit sound…

A: Solution: Question 1: The paragraph discusses how dolphins use sonar to find their way and to hunt…

Q: A charged particle causes an electric flux of -2100.0 Nm²/C to pass through a spherical Gaussian…

A: Given data: The electric flux is Φ=-2100.0 N.m2/C The radius is R= 10.5 cm   The expression for the…

Q: A mass on a spring with a spring constant of 5.00 N/m has a frequency of f= 0.250Hz when undergoing…

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Q: Three glasses are placed by a waiter on a light-weight tray. The first glass has a mass of M1 = 625…

A: M1 = 625, R1 = 13 cm, θ1 = 35 degrees above the positive x-axis M2 = 325 g, R2 = 24 cm , θ2 = 45…

Q: Aliens slowing down to observe Earth often are distracted by lighthouses. As aliens pass Earth in…

A: Write the given values with the suitable variables. T=7.0 sT1=5.3 s Here, T is the time taken as…

Q: A 77.1-kg circus performer is fired from a cannon that is elevated at an angle of 52.1° above the…

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Q: E The time period of a geo-stationary satellite is 24 h, at a height 6R (RE is the radius of earth)…

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Q: The two trees in (Figure 1) are 7.1 m apart. A backpacker is trying to lift his 29-kg backpack out…

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Q: ACTIVITY #3 1. A brick is dropped from the roof of a building. The brick strikes the ground in 2.50…

A: Given that, a brick is dropped from the roof of a building. The brick strikes the ground in 2.50 s.…

Q: A cat falls from a tree (with zero initial velocity) at time t = 0. How far does the cat fall…

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Q: 4. A solid cylinder (radius= 13.5 cm, height = 13.0 cm) has a mass of 6.33 kg. This cylinder is…

A: We can start by finding the volume of the cylinder, which is given by: V_cylinder = πr^2h where r is…

Q: Liquid A is known to have a lower surface tension and lower viscosity than Liquid B. Use these facts…

A: Clearly, as viscosity of B is greater than A and higher viscous fluids are hard to flow then : tA…

Q: 3. A ball is thrown vertically upward with a speed of 25.0 m/s. (a) How high does it rise? (b) How…

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Q: A 10-turn generator coil with area 0.150 m2 rotates in a 1.25-T magnetic field. At what frequency…

A: The emf (electromotive force) induced in a rotating coil is given by the equation: emf = NABωsin(ωt)…

Q: In the figure, a spring with spring constant k = 160 N/m is at the top of a frictionless incline of…

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Q: A wheel starts from rest and has an angular acceleration of 4.0 rad/s². The time it takes to make 10…

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Q: A tank has the shape of an inverted right circular cone with height 9m and radius 18m. It is filled…

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Q: A neutron in a nuclear reactor makes an elastic, head-on collision with the nucleus of a carbon atom…

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Q: Show that the expression v=at2 is dimensionally correct. Where v is velocity, a is acceleration and…

A: We know that, Velocity = distance/time Dimensional formula of velocity is [LT-1] Also, Acceleration…

Q: Exercise 3.2 = Acos(k-x-wt). Many different types of wave obey the wave equation 18² 2² 2² + 28t²…

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Q: Two uniformly charged rods, bent into circular arcs, have equal and opposite linear charge densities…

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Q: An aquarium 12m long, 2m wide, and 7m deep is full of water. The density of water is 1000kg/m^3 and…

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Q: You are given the following two vectors:  a = j + 2k, b = 2i - j  1. Calculate the scalar product…

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Q: These were not correct, could you try to rework them?

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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.