Which among the following equations is INCORRECT? PE E = EA cost dE = EA B. E ФЕ A

Q: Two point charges, q1 = 13 nC and q2 = 15 nC, are separated by a distance r = 7.4 x 10-2 cm. What is...

A: Given: Two point charges, q1 = 13 nC and q2 = 15 nC, are separated by a distance r = 7.4 x 10-2 cm. ...

Q: What is the area of a rectangle whose electric flux is 3.35x10-10 C2/Nm2 and electric field of 250 N...

A: The electric flux is ϕ=3.35×10-10 Nm2/C The electric field is E=250 N/C

Q: ... V C3 C2 What is effective capacitance of the device? C1 = 15 uF, C2 = 9 uF, C3 = 4 uF

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Q: A hydrogen atom is excited to the n = 4 level. Its decay to the   n = 2 level is detected in a photo...

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Q: The figure below, the system is in equilibrium. a. What is the maximum value that Fw can have if the...

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Q: 2. A 50.0 kg roller coaster car is launched, from ground level, at 20.0 m/s. How fast will it be mov...

A: Given Mass or roller = m = 50.0 kg Speed at ground level = u = 20.0 m/s Height of the top from groun...

Q: Find the magnitude of the electric field if a force of 870 N is directed north by 16 fC point charge...

A: Given: F=870 Nq=16 fC = 16*10-15 C

Q: What is the change in momentum that occurs when a 1.0 kg ball traveling at 4.0 m/s strikes a wall an...

A: The mass of the ball is M=1.0 kg The initial velocity of the ball is vinitial=4.0 m/s The final velo...

Q: Part E With what force in the rightward direction, F, should Marcel push? If your expression would g...

A: Apply the equilibrium condition of the moment about the hinge point.

Q: The current in an electrical circuit is potential difference. to the applied O equal O not equal O d...

A: Given data:   Current flows in an electrical circuit Potential difference applied across circuit Req...

Q: You toss a 0.150-kg baseball straight upward so that it leaves your hand (from the ground) moving at...

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Q: None of the resistors in the circuit shown in the drawing is connected in series or in parallel with...

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Q: . What type of force will be observed if two like charges came to contact? Group of answer choices s...

A: 28. What type of force will be observed if two like charges came to contact

Q: 7. An electric flux of 8.99x10-12 Nm2/C is passing through a sphere created by 1.25x10-3 N/C electri...

A: Write the expression for the electric flux. Here, E is the electric field, A is the area of the sph...

Q: An object 1.1 cm high is viewed under a magnifier of focal length 14 cm by a person with a near poin...

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Q: A car and a jeep are 7 km apart. The car starts from rest and travels towards the jeep with an accel...

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Q: What is the equivalent capacitance if three capacitors 2F, 4F and 6F are connected in series?  Group...

A: GivenThree CapacitorsC1=2 FC2=4 FC3=6 F

Q: Consider a wave on a string with constant tension. If the frequency of the wave is doubled, by what ...

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Q: Р (Ра) 4000- 2000+ -V (m³) 0.5 1.0

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Q: What is the linear speed of a point that moves in a circle with a radius of 5 cm with an angular vel...

A: GivenRadius of ciorcle, r=5 cm=0.05 mAngular velocity ,ω=2 rad/s

Q: An electric flux of 8.99 x10-12 Nm?/C is passing through a sphere created by 1.25x10-3 N/C electric ...

A: Given that:Electric flux, ϕ=8.99 x10-12 Nm2/CElectric field, E=1.25x10-3 N/C 

Q: 4. A 10.0 kg monkey swings on a vine from a point which is 40.0 m above the jungle floor to a point ...

A: Given: Initial height of monkey from ground = 40 m Mass of monkey = 10 kg Final height of monkey fro...

Q: A laser beam of diameter d1 = 1.3 mm is directed along the optical axis of a thin lens of focal leng...

A: Given:   d1=1.3 mmf1=+5.1 cm =+51mmd2=3.9mm

Q: What is the change in momentum that occurs when a 1.0 kg ball traveling at 4.0 m/s strikes a wall a...

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Q: Two point charges of -3.0 µC and -7.0 µC are placed at x = 0 and x = 0.20 m, respectively. What is t...

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Q: A uniformly-dense equilateral triangle with weights hanging from each vertex is fixed at its center ...

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Q: What is the plate area if both of the plates are separated by a distance of 3.4nm and the capacitanc...

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Q: An automobile starts from rest and reaches a sp of 42 m/s in 15 seconds. The acceleration increases ...

A: We know that the first equation of motion is given as  v = u+at  here u is the initial velocity  v i...

Q: A8.99 uF capacitor is connected in parallel with a 9.00 Vand a 4.66 uF capacitor. Once the capacitor...

A: Charge is divided between the capacitors connected in parallel in the ratio of their capacitances. T...

Q: SPEAR is a storage ring at the Stanford Linear Accelerator which has a circulating beam of electrons...

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Q: Determine the total capacitance (in unit uF) of the capacitors connected as shown in the figure belo...

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Q: It’s winter and you need to remove snow from your garden. You use a shovel. Why does moving it backw...

A: Let's consider we have a shovel with snow on its surface and 

Q: What net external force is exerted on a 1200-kg artillery shell fired from a battleship if the shell...

A: Given Mass of the artillery shell is m=1200 kg Acceleration is given as a=2.00×104 m/s2

Q: A proton and an electron are held 15 cm apart. What is the magnitude of force?

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Q: At what time does the voltage across a charging capacitor reach 67% of its maximum value? Assume tha...

A:  voltage across a charging capacitor reach 67% of its maximum value

Q: A solid sphere with a mass of 6 kg and a radius of 0.35 m rolls smoothly (without slipping) from res...

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Q: 2) How are electricity and magnetism related? How do the properties of magnets allow them to be usef...

A: Electricity and magnetism are essentially two aspects of the same thing, because a changing electric...

Q: Using coulomb's law, what is the resulting force between an electron and a proton; separated by a di...

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Q: An ideal gas is confined in a box that initially has pressure P.  If the absolute temperature of the...

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Q: As part of a class project you are given 0.900 g of copper and asked to fabricate a wire with unifor...

A: Given : Mass of copper given = 0.9 g Copper used =95% =95100×0.9 = 0.855 g  =0.855×10-3 kg Resistanc...

Q: The equilibrium rule, Σ F = 0, which means “the sum of all the forces is equal to zero”, applies to...

A: The equilibrium rule, Σ F = 0, it state that the sum of all the forces is equal to zero or we can sa...

Q: pulley gure. Light ngs are wrapped around two circumferences of the pulley and weights are attached....

A: Angular Acceleration of the pulley : If a mass across the pulley is accelerating towards down with a...

Q: A gas undergoes an expansion in which 400 J of energy is added to the gas by heating. The internal e...

A: Given Amount of energy added (Q) = 400 J   Internal energy of gas changes from 700J to 800 J therefo...

Q: to ∞ uses a 12 cm focal length magnifier. (a) Find the angular magnification when the magnifier is ...

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Q: A17 V battery is connected to a cincuit with anly one resstor Determine the resistance value of the ...

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Q: Which of the following conditions will result to an increase in capacitance? Group of answer choices...

A: Given in question: A Capacitor To find:  Which of the following conditions will result in an increas...

Q: An electron, initially at rest is placed in an electric field of 5?105 ?∕? directed west. What is th...

A: Given value--- electric field = 5 × 10⁵ N/C. We have to find--- What is the acceleration of the e...

Q: How can I be safe with electricity? Enumerate and explain some ways.

A: It’s vitally important to take safety precautions when working with electricity. Safety must not be ...

Q: The two charged objects q1 and q2 are shown in the figure below. Equipotential lines around the obje...

A: q1 is create greater field lines than q2 charge.  

Q: An object is placed a distance do in front of a concave mirror with a radius of curvature r = 16 cm....

A: Given:r=16cmM=2.4

Half Life

The concept of Half Life has numerous practical applications some of them includes figuring out the effective drug dosage to finding out when a radioactive becomes safe to use. If you look for a career in Nuclear Physics you will need this concept.