Suppose you have two point charges each of 78 nC. How many millimeters apart must the two charges be to have a force of 0.95 N between them?

Q: A motorcycle accelerates uniformly from rest and reaches a linear speed of 22.4 m/s in a time of…

A: The initial speed of the motorcycle is 0 m/s.The final speed of the motorcycle is 22.4 m/s.The time…

Q: A cheetah is hunting. Its prey runs for 3.50 s at a constant velocity of +7.50m/s. Starting from…

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Q: Two spheresAandBdeep in space are separated by  d1​ = 9 m, and have masses mA​=1020 kg and mB​=280…

A: The center of mass is a concept in physics that represents the average position of the mass of an…

Q: 11. The drawing shows a light ray traveling from one medium into another. If the angle of incidence…

A: We have given that, angle of incidence i = 55oRefractive index of 1st medium n1 = 1.6Refractive…

Q: Motor accelerates from zero to 100 km / h in 20 seconds, and then comes to a complete stop in 40…

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Q: A certain brand of hotdog cooker works by applying a potential difference of 122 V across opposite…

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Q: A metallic sphere has a charge of +4.00 nCA negatively charged rod has a charge of -6.00 When the…

A: Initial charge on sphere,Q1 = 4 nc = 4x10-9 CTransferred electrons (N) = 5.48x109

Q: The electrical potential increases by 26,4 volts when it is displaced 9,1 cm in the -x direction in…

A: For uniform electric field:

Q: In the figure, a crate of mass m = 80 kg is pushed at a constant speed up a frictionless ramp (0 =…

A: Mass of the crate (m): 80 kgAngle of the ramp (theta): 30 degreesThe ramp is frictionless.The crate…

Q: A ball is dropped from the rest in a liquid and the acceleration of the ball as a function of…

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Q: da capacitance of 90 μF, but you don't happen to 30 μF capacitor. You do have a 45 μF capacitor. ▼…

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Q: 1. A 0.35 kg stuffed animal is launched from a stationary balloon as shown in the image. a)…

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Q: car traveling at 36 m/s runs out of gas while traveling up a 5.0 degree slope. How far will it coast…

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Q: Find the magnitude of the electric field at the origin due to a point charge of 64.4 nC located at…

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Q: Bystanders were eye witnesses of car crash, when car hit onto obstacle and stopped. Bystanders…

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Q: Sustained current as small as 2.55E-6 A passing through the human heart can be fatal. Suppose a…

A: Current is Resistance is Find:Minimum voltage  across the heart that could pose a danger to the…

Q: n the figure a battery of potential difference V = 28 V is connected to a resistive strip of…

A: V = 28 V R = 6.310.45 Ω" data-mce-style="display: inline; font-style: normal;…

Q: A 3.00-cm-diameter parallel-plate capacitor with a spacing of 0.400 mm is charged to 500 V. ▼ Part A…

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Q: What is the typical quantity of electricity a computer consumes?

A: The quantity of electricity consumed by a computer can vary widely depending on several factors,…

Q: The minute hand of a wall clock measures 12 cm from its tip to the axis about which it rotates. The…

A: “Since you have posted a question with multiple sub parts, we will provide the solution only to the…

Q: A small toy cart equipped with a spring bumper rolls toward a wall with a speed of v. The cart…

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Q: A 20.0kg toboggan is pulled out of deep snow by 2 people. The first person pulls 20.0N [E 30.º N],…

A: We will make Free body diagram and mark the forces acting on the system.

Q: 130 kg ball is sliding along a homemade roller coaster at a height of 90 cm and with a speed of 0.35…

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Q: A simple ohmmeter is made by connecting a 2.50 V battery in series with a resistance R and an…

A: The potential of the battery is The maximum reading of ammeter is The resistance of the ammeter is

Q: A tow truck accelerates at a rate of 0.5 meters per second when towing a car with a mass of 1200…

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Q: 10. A light source emits 450 nm light that passes through a double slit, with spacing of 3 x 10-6m.…

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Q: 3) The radius of curvature of a concave mirror has a magnitude R = 8 cm. Describe the image of an…

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Q: A running mountain lion can make a leap 10.0 mm long, reaching a maximum height of 3.0 mm. What is…

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Q: An alpha particle (a He nucleus, containing two protons and two neutrons and having a mass of 6.64 x…

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Q: A horizontal force, F₁ = 55 N, and a force, F2 = 17 N acting at an angle of 0 to the horizontal, are…

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Q: How does the addition or removal of capacitors in a parallel or series combination affect the total…

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Q: From the top of a cliff, a person throws a stone straight downward. The initial speed of the stone…

A: According to Newton's second law of motion:"The acceleration of an object is directly proportional…

Q: -10 Two particles of equal mass 40 mg and equal charge 35 nC are brought from an infinite distance…

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Q: acceleration of a ball as it rolls down a ramp is 3.1 m/s2. It starts from rest. What is the ball's…

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Q: In electron Volts, how much work does it take to move an electron from a potential of 7.9 Volts to…

A: To calculate the work done in moving an electron between two different potentials, we can use the…

Q: block of mass m 2 kg is dropped from a height of h-40 cm (measured from the tip of the linear…

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Q: 3. A man rides his bike 5 miles to work at a steady rate. If he were to pedal 2 miles per hour…

A: The distance covered by the bike, The velocity increased by the bike is, The time decreased,

Q: system, a. rope pulley have negligible F pulley is R m₂ The blocks have masses m₁ = 4.44 kg and m₂ =…

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Q: How alpha particles interact with atoms as they pass through air ?

A: As alpha particles pass through the air, they interact with air.

Q: ▾ Part A A point charge with charge q₁ = 3.00 μC is held stationary at the origin. A second point…

A: The point charge is given as, where the  is held stationary at the origin. , the second charge is…

Q: The switch in the circuit has been in position a for a long time, so the capacitor is fully charged.…

A: R = 10 ohms C = 1 microfarade V = 9 volts

Q: What factors determine the magnitude of the centripetal force acting on an object moving in a…

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Q: The sides of a small rectangular box are measured to be 1.50 ± 0.03 cm, 2.00 ± 0.01 cm, and 3.2 ±…

A: The lengths of the sides of the box are,Length Breadth Height The uncertainties in measurements…

Q: C) Carefully consider how the accelerations a and a2 are related. Solve for the magnitude of the…

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Q: In the figure a potential difference of V = 106 V is applied across a capacitor arrangement with…

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Q: A voltmeter connected to the terminals of a battery indicates 10 V, when these terminals are joined…

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Q: A small fan has blades that have a radius of 0.0600 m. When the fan is turned on, the tips of the…

A: Radius is Tangential acceleration is Find: Angular acceleration of blades.

Q: 2. Mass 1 = 3.5 kg brick is placed on an inclined plane which forms an angle of 25° with the…

A: M1 =3.5kgM2= 1.15 kgCoefficient of friction =0.25

Q: 13. Three negative point charges are located on an equilateral triangle as shown in the diagram. The…

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Q: A 2.00-nF capacitor with an initial charge of 5.30 μC is discharged through a 1.19-k resistor. (a)…

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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.