What is the magnitude of force that a 25μC charge exerts on a -10μC charge 8.5cm away? Is the force attractive or repulsive

Q: 1. Two large balls roll over a smooth surface and collide. They are made of a super hard material so...

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Q: Fill the blank and solve for distance, speed, and time. SPEED DISTANCE TIME 80 km/hr. 10km _____...

A: The blanks are filled as below  

Q: A rectangular block is moving along a frictionless path when it encounters the circular loop, as sho...

A: A. Force on mass m due to which it moves in a circular motion is central force. That is the force wh...

Q: Part B The figure (Figure 1) shows some equipotentials in the T-y plane. What is the magnitude of th...

A: equipotentials are shown in the figure in a x-y plane   

Q: A sailor in a small sailboat encounters shifting winds. She sails 2.00 km east, next 3.50 km southea...

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Q: The graph shows the magnitude B(t) of a uniform magnetic field that passes through a conducting coil...

A: We have to apply the Faraday law of electromagnetic induction.  

Q: A particle of mass 2.9 kg moves along the horizontal x-axis. In the x direction the only force actin...

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Q: Tom and Jerry are riding two toy cars connected by a rope. Both are travelling at 16.2 km/h when the...

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Q: A vessel of volume 80 x 10m° contains an ideal gas ai 300 K and 200 kPa. The gas is allowed to leak ...

A: Givenvolume of vessel ,V=8.0×10-3 m3Temperature ,T=300 KPresure of gas before leakage  ,P1=200 kPa =...

Q: Find the speed at which the mass of an electron is double of its rest mass.

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Q: A wheel rotates at 520 rpm. What is this angular speed in rad/s

A: Given  Speed N=520rpm  

Q: Constants Calculate the net force on the left charge due to the other two. Enter a positive value if...

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Q: A lever is used to lift a heavy load. When a 25 N force pushes one end of the lever down 1.8 m, the ...

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Q: A circular swimming pool has a diameter of 12 m, the sides are 4 m high, and the depth of the water ...

A: Given, Diameter=12m Side's are 4m high. Depth of water=3m Workdone=?

Q: Present the detailed derivation of the Snell's Law from the Fermat's Principle.

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Q: 18. I| A wire with a resistance of 3.2 N is bent into the two-loop shape shown in Figure P25.18. The...

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Q: How did Madame de Chatelet show that Energy is proportional to v2?

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Q: To determine the force acting on each mass it was assumed that g = 9.80 m/s2. The value of  g at the...

A: Given - Assumed value of g = 9.80 m/s2   Accepted value of g = g' = 9.81 m/s2  Percentage error is c...

Q: During a hailstorm, it is wiser to park a car inside. Otherwise, the car might get damaged. Both rai...

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Q: The lower surface of a slab of stone of face-area 3600 cm and thickness 10 cm is exposed to steam at...

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Q: (a) Calculate the rotational kinetic energy of Earth on its axis. (b) What is the rotational kinetic...

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Q: Two lamps, one rated at 100 W at 220 V and the other 60 W at 220 V are connected in parallel to a 22...

A: Power dissipated by a resistor of resistance R across voltage V is given as P= V2/R,wo R= V2/P

Q: Paolo and Yen were chased by a stray dog while they were on a "friendly stroll" in B City They decid...

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Q: A spring has a spring constant K of 93 N/m. How much must this spring be compressed, in mm, to store...

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Q: A uniform electric field of magnitude 265 V/m is directed in the negative y direction as shown in th...

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Q: A concave spherical mirror has a radius of curvature of magnitude 20.2 cm. (a) Find the location of ...

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Q: 7.3-magnitude earthquake hit eastern Japan late Wednesday night, killing at least four people and in...

A: The Richter magnitude scale, also known as the local magnitude (M) scale, assigns a number to quanti...

Q: Find the speed at which the mass of an electron is double of its rest mass.

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Q: A wheel of a radius 5.02 m rotates at a uniform speed. If a point on the rim of the wheel has a cent...

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Q: (a) An electron moves through a uniform electric field E = (2.30î + 4.90j) V/m and a uniform magneti...

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Q: In the figure, two 6.30 kg blocks are connected by a massless string over a pulley of radius 1.30 cm...

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Q: According to the nebular theory, which planet is most likely to be gaseous rather than rocky?

A: Rocky  planet are mercury Venus and earth and mars are wrong.   A gas giant is a large planet compos...

Q: Find the 42nd derivative of the function y = sin(x). Give reason for choosing yours answer.

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Q: Can the tensions of A and B for the 20-kg boat be calculated? Yes or no?

A: In this problem, it is asking that can we calculate the tensions A and B from given diagram.

Q: Elements that appear in the same column of the periodic table often share similar chemical propertie...

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Q: A 30 N force pushes a block across a surface for 6 m. a) How much work is done by the applied force?...

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Q: Please explain how to do this question. A particle moving in a straight line passes through a fixed...

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Q: A stone is dropped from the top. It is seen to hit the ground below after 3.55 s. How high is the cl...

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Q: Suppose a rectangle of sides x and y has fixed area A. Find the minimal of the Perimeter.

A: Given that:- Dimension of rectangle=x×y

Q: You decide to climb the stairs on the three floors of NIATE. Let your mass be 72.2 kg, your total ve...

A: Given data:  Mass (m) = 72.2 kg Height (h) = 10.0 m Time (t) = 5 minutes g = 10.0 m/s2 Required: The...

Q: On a part-time job, you are asked to bring a cylindrical iron rod of length 85.8 cm and diameter 2.8...

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Q: There are 5,280 feet in a mile. If you have slowed down and are now traveling 40 feet per second and...

A: Given: The speed of the car is 40 ft/s. The time taken to hit the break is 0.5 s.

Q: A 50 N block is raised 2 m. If the net work done on the block is 50 J, what is the applied force on ...

A: Given Data:- Weight of the block is WB=50 N Distance the block is raised d=2 m Net work done on the ...

Q: If the forces along the y-axis are equal in magnitude, what is the y-component of the net force?

A: Given : Forces in x-direction , F1 = 275 N  F2 = 395 N  f = 560 N (in -x direction)  Force in y-dire...

Q: Find the speed at which the mass of an electron is double of its rest mass.

A: Given information :- mass of electron m = 2.m0 where m is moving mass of the electron and m0 is the ...

Q: 5. I| A 50 g horizontal metal bar, 12 cm long, is free to slide up and down between two tall, vertic...

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Q: A person weighs 60 kilograms here on the surface of the earth. If the acceleration due to gravity on...

A: GivenMass of person on earth ,M=60 kgAcceleration due to gravity on Mars ,gmars=3.7 m/s2

Q: A bicycle with a mass of 14 kg traveling at a velocity of 3 m/s east has how much kinetic energy?

A: Given data:  Mass (m) = 14 kg Velocity (v) = 3 m/s Required: Kinetic energy (KE) 

Q: A car has an average highway speed of 90 km/h or 25 m/s. At this speed; how long will it take to dri...

A: Average speed, V=90Km/h Distance to be covered,S=190Km required time, t=S/V t=(190Km)/(90Km/h) t=(19...

Q: 2. Two wires carry currents as indicated. The net torque on the top wire, due to the bottom wire, is...

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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.