a.Two spheres of equal diameters have a +15 x 10-6 C charge and – 10 x 10-6 C charge. If they are placed 5.0 m apart, what would be the force of attraction between them?     b.The two spheres in problem #2 are moved toward each other until they touch and then are place 5.0 cm apart again. What force exists between them now and solve its magnitude.

Q: Consider the situation shown in Figure below. The uniform 0.60KN beam is hinged at P. Find the tensi...

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Q: The third tone of a closed organ pipe is in unison with the fourth harmonic of an open organ pipe. F...

A: Given, Frequency of third tone (overtone ) of a closed organ pipe = frequency of fourth harmonic of ...

Q: A ball is dropped from a top of a building which is (120+5)m high from the ground. At the same ti...

A: Initial velocity of ball = 0 msHeight of building (h) = 125 m initial velocity of stone = 31 msLet t...

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Q: 4) Linearize the following equations (rearranged in the form y = mx + c): a) F = uN, where F is the ...

A: Ques linearize the following equation y=mx+c here, y: dependent variable x: independent variable m: ...

Q: The work done is moving a charge of 2.0 µC between two points in an electric field is 1.50 x 10¬ J. ...

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Q: 1) During lightning strikes from a cloud to the ground, currents as high as 25,000 A can occur and l...

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Q: A stone was thrown with a velocity of 28 m/s with an inclination of 30° from the horizontal, after 3...

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Q: 2. A platinum bar increases in length by 0.2% when its temperature increases to 222°C. a. Draw the f...

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Q: h2 S2 (c)

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Q: Brass is an alloy made from copper and zinc. A 0.59 kg brass sample at 98.0°C is dropped into 2.80 k...

A: Given Data: The mass of brass is: mb=0.59 kg The temperature of brass is: Tb=98.00°C The mass of wat...

Q: White light is sent through an interface of a 100% (w/v) glycerol solution (nı = 1.474) and a 20% (w...

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Q: 5) A painter of mass M = 75.0 kg stands on a platform of mass m = 15.0 kg. He pulls on a rope that p...

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Q: and a truck are traveling in along a straight road as shown in the time t =0 their positions and spe...

A: Above problem can be solved using three equation of motion  v = u + at.v² = u² + 2as.s = ut + ½at²

Q: Block A, with a mass of 0.300 kg, is traveling north on a frictionless surface with a speed of 5.00 ...

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Q: A ball is thrown upwards and caught when it comes back down. In the absence of air resistance, the s...

A: If there is no air resistance, the final speed of the ball when caught to be the same as the initial...

Q: A game requires that two children throw a ball upward as high as possible at the same point and then...

A: the time required for ball to hit the ground can be calculated by y=y0+ut-12gt2

Q: Question 2 A solid steel sphere of radius 50 acts as a perfect radiator, calculate the amount of hea...

A: Given data :-                             r = 50 cm = 0.5 m                             T = 2000 K  ...

Q: I. A charge moving vertically upward with speed v=200. m/s enters a region of constant magnetic fiel...

A: Speed of charge ( v ) = 200 m/s Angle between velocity and magnetic field ( θ ) = 90° Force experien...

Q: The cutoff frequency, fo, for a low pass filter is given by the following equation: 1 2TRC The compo...

A: We have fc=12πRC=12π×1.5×103×0.02×10-6=5305.16 Hz

Q: How much does an astronaut with a mass of 100kg weigh way out in space, far far away from any planet...

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Q: 2. A platinum bar increases in length by 0.2% when its temperature increases to 222°C. a. Draw the f...

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Q: A cricket ball is dropped from a height of 20 metres. (a) Calculate the speed of the ball when it hi...

A: Given data :              Initial  speed  =  u              Height   =  h     Acceleration due to gr...

Q: A 22.0 m long aluminum cable with a cross-sectional area of 2.04 x 10-3 m2 is used to suspend a 4.00...

A: Using the help of Young's modulus we will solve the given question. Given(s): Length of the cable, ...

Q: A Ferris wheel has a diameter of 10.0m and makes one revolution in 8.00 seconds. A girl weighing 321...

A: diameter of the wheel = 10 m time taken to complete one revolution = 8 seconds weight of girl = 321 ...

Q: A Ferris wheel on a California pier is 27 m high and rotates once every 32 seconds in the counterclo...

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Q: If a defibrillator passes 15 A of current through a patient's body for 0.1 seconds, how much charge ...

A: Given data:  Current (I) = 15 A Time (t) = 0.1 s Required: Charge (q) 

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

A: The increase in the length of a bar due to temperature increase is given by ∆L = Lα∆T, where L = the...

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: A computer model displays the motion of a particle on a coordinate system in real time. At time t = ...

A: GivenAt time t=0vx=0vy=7.2 m/sAndax=-3.2 m/s2ay=0

Q: A long straight wire sits on the z-axis and carries a current of 5.76 amps in the positive z directi...

A: Given data :- Current i = 5.76 A (along + z axis) Magnetic field B = 9.1 T Length of the wire l = 4....

Q: 03) The forces, F1, F2, and F3 act on an object of mass m = 2.5 kg as shown %3D below. a) Calculate ...

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Q: Suppose you go to visit the Moon. Does your weight change? OR Does your mass change?

A: Explanation:   If you go to the moon, the mass never change the weigh will change because   The acce...

Q: A plate is in the form of a parabolic segment with its axis horizontal. Its height is 12 meters, and...

A: Given data: Height, h = 12m Width, w = 4 m Depth, d = 3 m Density of water = 1000 kg/m3 Gravity = 9....

Q: Joe is carrying a load of building supplies and likely injuring his back by supporting 882 N of weig...

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Q: A projectile is fired from the ground, reaches a maximum height of 37.4 m and lands a distance of 73...

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Q: You launch a projectile horizontally from a building 30.7 m above the ground at another building 49....

A: Given, height of first building h1 = 30.7 m, height of second building h2 = 6.4 m, If we consider th...

Q: Calculate the electric flux D for each of the closed surfaces a, b, c, and d. b. 92. a 93 97 94 95 9...

A: According to Gauss law , electric flux from a closed surface is given by charged enclosed divided by...

Q: Suppose the position of an object moving horizontally after t seconds is given by the following func...

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Q: A 75-m-long train begins uniform acceleration from rest. The front of the train has a speed of 18m/s...

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Q: Object A of mass M has an original velocity of 7.80 m/s in the +x-direction toward a stationary obje...

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Q: The components of vectors A* and B* are given as follows: Ax = 5.1 Bx = -2.6 Ay = -5 By = -4.3 What ...

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Q: Two resistors are connected in a series in a circuit. The same two resistors are connected in parall...

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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: Tectonic plates are large segments of the Earth's crust that move slowly. Suppose one such plate has...

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Q: A cannon shoots a cannonball out at a 60-degree angle. The trajectory that the cannonball takes is i...

A: The range of a projectile motion is given by the formula... R = u2sin(2θ)gWhereR = Rangeu =  Initial...

Q: Refer to the figure below. Identify the part of vernier caliper. O 10 20 30 43 50 60 70 B0 99 100 11...

A: Correct option is (B). In given figure it is a depth rod for measuring depths.

Q: A uniform, 100-N pipe is used as lever, as shown. Where must the fulcrum ( the support point) be pla...

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Q: hat current exists in the battery what is the current and voltage for every resistor

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Q: 4.00 kN R3 R2 3.00 kN 2.00 kN R1 ) the current in each resistor shown in the figure above = 0.28 '1 ...

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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.