Based on the equation of the electric field. What is the relationship between electric field and the charge?

Q: A charge of + 80 µC is placed on the x - axis at x = 0. A second charge of - 50 µC is placed on the ...

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Q: High voltage power lines are not covered with an insulating outer cover. a) What is the reasoning be...

A: Part a) These power lines operate at very very high voltages. At such voltages, it takes a lot more ...

Q: if Q = 30 µC, q = 5 µC and d = 30 cm. What is the magnitude of the electrostatic force on 2Q ? O 12....

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Q: Which of the following is an example of an error due to instrument: A Air currents affect the balanc...

A: Concept:- Types of errors 1. Gross error:-These errors occur due to the lack of experience of the ob...

Q: Question 6 The acceleration of an object which is free to fall in a vacuum is . A) equal to the prod...

A: as we all know that, mass and shape of an object does not affect the motion. all the objects fall wi...

Q: A hole is punched in a full milk carton, 20 cm below the top. What is the initial velocity of outflo...

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Q: 7. What is the combined level of noise of five sound levels which are: 75dB, 85dB, 91dB, 73dB, and 8...

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Q: An explosion breaks a 31.0-kg object into three parts. The object is initially moving at a velocity ...

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Q: Q16) A student moves 6 m along the positive x-direction, then he turns around and moves 9 m along th...

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Q: A mass of 1 kg undergoes simple harmonic motion with amplitude of 1 m. If the period of the oscillat...

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Q: A platinum bar increases in length by 0.2% when its temperature increases to 222OC. a.    Draw the f...

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Q: The magnitude of vector A" is 8.6. Vector lies in the fourth quadrant and forms an angle of 37'with ...

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Q: Consider Farday’s Law and Ampere’s Circuital Laws. By expanding both of these curl equations and usi...

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Q: A 20 µF capacitor is charged to 120 V and then disconnected from the power supply. If a second uncha...

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Q: Look at the velocity-time graph given.  During which interval or intervals is the train’s accelerat...

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Q: ute pressure at the bottom of a fresh-water lake at a depth of 33.0 m. Assume the density of the wat...

A: Given  Depth d = 33 m  Density of water = 1×103 kg/m3 

Q: A stationary bomb explodes into two parts of masses 3 kg and 1 kg. The total KE of the two parts aft...

A: The kinetic energy of an object is the energy that it possesses due to its motion.  Here,  we calcul...

Q: The capacitance of capacitor varies directly with its length. A Parallel-pale В Spherical Cylindrica...

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Q: The electric force between two charges is negative. Which of the following statements must be true? ...

A: Given - Electric force between two charges is negative. To find - Which one of the following stateme...

Q: A river has a steady speed of vs. A student swims upstream a distance d and back to the starting poi...

A: For finding time in each case, find the net speed in each case and then use time formula.

Q: The distance traveled by the particle from point a to b is 100 meter and elapsed time is 10 second. ...

A: Given data: The distance travelled by the particle, D=100 m. The displacement of the particle, S=10...

Q: platinum bar increases in length by 0.2% when its temperature increases to 222°C. . Draw the figure ...

A: change in length =0.2% Change in temperature = 222°C Let the length of rod be = L Coefficient of lin...

Q: A rowboat crosses a river with a velocity of 3.60 mi/h at an angle 62.5° north of west relative to t...

A: The figure is given below.   Calculate the component of the velocity, vbx, of the boat in the horiz...

Q: A capacitor is composed of 2 plates separated by a sheet of insulating material 2mm thick and of rel...

A: Calculate the original capacitance.

Q: A football is kicked at an angle 0, = 37.0° with a velocity of 20.0 m/s, as shown. Calculate (a) the...

A: This question contains five subparts. According to guideline I solve only first thee subparts. 

Q: 1. If water is cooled from 50°C to -5°C, what is the temperature change on the Celsius, Fahrenheit a...

A: Given: initial temperature of water T1 = 50o C Final temperature of water T2 = -5o C 

Q: :A horizontal pipe , IAt in diameter, taperv gradually to 8 in. in diameter. If the flow ii 500 cu f...

A: Given data: Q=500ft3minute 1 minute 60 seconds=8.33ft3seconds V1=QA1=8.33ft3s14π1ft2=10.61fts V2=QA2...

Q: Q13) The kinetic energy of a car moving along a horizontal road is 120 kJ. The driver applies the br...

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Q: Using Kirchhoff's rules, find the following. (E = 70.4 V, E, = 60.4 V, and &, = 78.6 V.) 4.00 kN d E...

A: Given value--- All values given in circuit. We have to find--- current in each resistance? potent...

Q: A positive + 4mC charge is located 0.20 m to the left of a +6.0 mC What is the magnitude and directi...

A: Given: The charges are 4 mC and 6 mC. The separation between charges is 0.2 m.

Q: 3) a) From the result for the field along the z-axis of a uniformly charged ring, find the point on ...

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Q: Q5) A child pulls a wagon with a force of 20N by a rope making an angle of 25° with the horizontal. ...

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Q: d the resultant vector. 227 degree Equilibrant Vector = 500 Newton

A: magnitude of equibrant vector=500 N Angle =227 from +X axis

Q: 2. The position function x(t) of a particle moving along an x axis is x = 6.00 - 6.00², with x in me...

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Q: Suppose two vectors A and B of magnitude 3 and 4 units are placed tail to tail with an angle of 60 b...

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Q: 1. If water is cooled from 50°C to -5°C, what is the temperature change on the Celsius, Fahrenheit a...

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Q: Suppose an empty capacitor with the distance between plates of the capacitor is 2.0 mm and the area ...

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Q: A small ferryboat is 4.30 m wide and 5.50 m long. When loaded truck pulls onto it, the boạt sinks an...

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Q: An elephant and a hunter are having a confrontation. Calculate the momentum of the 2000.0-kg el...

A: Part 1 Mass of elephant = 2000kg Velocity v =7.5m/s Momentum P = mv = 2000×7.5 =15000kg.m/s Part B M...

Q: Q4) A 70-kg researcher absorbs 4.5 x 108 neutrons a workday, each of energy 1.2 MeV. The relative bi...

A: Given that The mass of the researcher is (m) =70kg The researcher absorbs in day (n) =4.5 × 10^8  

Q: Consider an equilateral triangle, with side length 0.477 m. At two of the vertices of this triangle,...

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Q: Look at the velocity-time graph given. 12 ... 10 v (m/s) 8 6 4 10 20 30 40 t (s) iii. 15-20 seconds ...

A: Given data:  Velocity-time graph Required: Time interval during acceleration of the train is zero 

Q: 227 degree Equilibrant Vector = 500 Newton

A: Any vector in 2D has components in the two perpendicular X and Y axes. The components of a vector in...

Q: If Boyet has a vertical leap of (1.51) m, then what is his take off speed and his hang time?

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Q: Q8) A blood vessel of radius r splits into two smaller vessels, each of radius r /2. If the velocity...

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Q: 1. If water is cooled from 50°C to -5°C, what is the temperature change on the Celsius, Fahrenheit a...

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Q: A capacitor is marked 6 V, 22 x 10 ° F What is the charge on the capacitor when the potential differ...

A: Given in question -  Marked voltage on capacitor(V') = 6Volt                                   Caopa...

Q: Electric room heaters use a concave mirror to reflect infrared (IR) radiation from hot coils. Note t...

A: Given that Radius of curvature of concave mirror R = 40.0 cm Image distance di = 3.30 m Object ( coi...

Q: Suppose you have a 175 μF capacitor. What charge is stored in it when 114 V is applied to it, in mil...

A: Given: The capacitance is 175 μF. The potential difference is 114 V. 

Q: Two point charges of 2 nC and a 5 nC are 10 micro-meters apart. A third point charge of 6.2 nC is pl...

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