Two positive charges, each 4.184.18 μμC, and a negative charge, −6.36−6.36 μμC, are fixed at the vertices of an equilateral triangle. Calculate the length of the triangle side if the net electrostatic force on the negative charge is  FnetFnet=28.5 N. Give your answer in SI units.

Q: The magnetic field through a coil change from 7 nT to 9 nT in 5 seconds. If the coil has 3500 turns…

A:

Q: Completely determine the resultant of the forces shown in the figure. Choose the answer in the…

A:

Q: Calculate the separation of the longitudinal modes of a GaAs laser, when the length of the laser is…

A:

Q: A straight conductor of fixed length I is moving at 45 degrees to a uniform magnetic field of…

A:

Q: What is the nuclear equation for 0 Th (beta decay)? (Just enter a, b, c or d without a period). a.…

A: In all nuclear reaction mass number (charge ) and mass number remains conserved.

Q: Which of the following quantities best describes the magnetic field strength at the surface of the…

A: The magnetic field of the earth is varies from 30000nT to 60000nT. It is minimum  at equator which…

Q: 3. One of the fastest right handed pitchers in 2022 was Dylan Lesko. Each ball pitched ranges from a…

A: Given data as per question inital velocity = 0 final velociy  = 50 distance    = 3m

Q: Oppositely charged parallel plates are separated by 5.09 mm. A potential difference of (a) What is…

A: GivenDistance of separation between plates, d=5.09 mmPotential difference, V=600 V

Q: A police officer's radar gun emits radio waves at a frequency of 11.7 GHz. What is the difference in…

A:

Q: Write down an expression for the magnetic electromotive force E generated in a straight conductor of…

A:

Q: A defibrillation unit used to electrically stimulate the heart muscles following a heart attack…

A:

Q: A straight conductor of fixed length / is moving at 45 degrees to a uniform magnetic field of…

A:

Q: Determine the distance between the electron and proton in an atom if the potential energy U of the…

A: potential energy is given by  U = kq1q2/r  r =(kq1q2)/U r is the distance between the charges q1 and…

Q: ver of mass 64.7 kg stands on one end of a diving board of mass 34.2 kg, as shown in the diagram.…

A: GivenMass of diver, mD=64.7 kgMass of diving board , mB=34.2 kg

Q: 3. A uniform magnetic ficld is given by B = btk where b = 0.35 T/s. Find the induced current in a…

A:

Q: W lamp is connected to 125 V.  a). What is the current through the lamp?  b). What is the resistance…

A: GivenPower of lamp, P=100 WVoltage, V=125 V

Q: Current Attempt in Progress In the figure here, a ball is thrown up onto a roof, landing 3.30 s…

A:

Q: A steel rod measure is 175cm long at 15°C. What will its length be at 380°C if its coefficient of…

A: Given that- Initial length of steel rod(Lo) =175cm=1.75m Temperature(T1) =15°c T2=380°c Liner…

Q: The linear absorption coefficient for 1-MeV gamma rays in lead is 78 m1. Find the thickness of lead…

A:

Q: A stationary square coil of area 0.1 m² is brought into the magnetic field 3.9 T with its plane…

A:

Q: We have a non-rotating space station in the shape of a long thin uniform rod of mass 2.60 x 10^6 kg…

A: Since the system has no external torque, the angular momentum of the system will be conserved.…

Q: 3. Given the diagram, identify where the object is placed and describe the image being formed.…

A:

Q: A stationary square coil of area 0.1 m2 is brought into the magnetic field 7.6 T with its plane…

A: Given Area of the coil is A=0.1 m2 Change in magnetic field is given as ∆B=7.6 T Number of turns in…

Q: WORK ENERGY AND POWER PLEASE COMPLETE SOLUTION An 800kg car accelerates from 54kph to 90kph as the…

A: Given Mass of car = m = 800 kg Initial velocity of car = u = 54 km/h Final velocity of car = v = 90…

Q: Topic: THERMAL EXPANSION Question: Aside from being transparent, why are laboratory apparatus such…

A: Firstly, and perhaps a little obviously, glass is transparent which therefore makes monitoring…

Q: SA2) A 50-N force is used to push a 0.65 kg metal ball from rest. If the force is applied on the…

A: GivenApplied force, F=50 NMass of ball, m=0.65 kgInitially Ball is at rest Initial velocity of ball…

Q: • A force given by F(x) = 5x³ i N acts on a 2 kg mass moving on a frictionless surface. The 3 m to x…

A:

Q: Find the half-life (to the nearest year) of krypton if r = −0.0641

A:

Q: Sir Joey who works in Oman terribly misses his country, Philippines which is approximately 7,004 km…

A:

Q: One mole of an ideal gas undergoes isothermal reversible expansion from 5 L to 15 L. Calculate the…

A:

Q: SA4) How long will it take to put a 4500-kg truck to rest from a velocity of 20.0 m/s if the force…

A: Mass of truck ,M = 4500 kg  Initial velocity of truck , u = 20.0 m/s  Final velocity of truck ,v = 0…

Q: Which gives a better order of magnitude calculation of final velocity of a rocket starting at rest,…

A:

Q: A 1.25 kg ball was raised to a height of 2.50 m. If the person released the ball and the ball fell…

A: mass of ball (m) = 1.25 kg initial height (H) = 2.50 m final height (h) = 1.25 m initial velocity…

Q: SA3) How much force is needed to put a 3000-kg vehicle to rest if initially moving at 16.67 m/s and…

A: suppose the applied force creates an acceleration of "a"  then force F = Ma initial velocity u=16.67…

Q: 2) Rtot IB A Itot = V tot VR = A.5 9.7 8 8.0 2 Ic = IA = Vc = VA = Show working here: 32 V

A:

Q: the depth at which the light will have 33% of its surface intensity. Round to the nearest tenth of a…

A: Let at surface the light intensity be I. So at 1/2 mtr depth it becomes 3/4 I. For each subsequent…

Q: If a 10-kg mass is placed in the water, the buoyant force should be greater than 980 N so that the…

A: Given: The mass of the object is 10 kg. We need to if the given statement in the question is true…

Q: Calculate the gravitational field strength on a planet with a diameter of 15487.3 km and the escape…

A:

Q: In the figure, point P2 is at perpendicular dístance R = 28.2 cm from one end of straight wire of…

A:

Q: 4. Given km/hr to 20.0 km/hr in 6.00 seconds. A vehicle changes velocity from 80.0 Required: Find…

A:

Q: A mass of 11.2 g is suspended from a massless spring of natural length 90 mm with the spring…

A:

Q: An air-filled parallel-plate capacitor has plates of area 2.00 cm2 separated by 1.80 mm. The…

A:

Q: Consider the circuit below. R1=15 ohms, and R2= 20 ohms. Current in R2 is shown in the figure.…

A:

Q: Find the energy of the following. Express your answers in units of electron volts, noting that 1 eV…

A:

Q: What is the RMS speed of a CO2 molecule at 27.00 C? Sone useful information: MCarbon = 12 g/mole and…

A:

Q: ) A hollow sphere is held below the surface of a lake by a cord anchored to the bottom of the lake.…

A: Explanation: Buoyant force is a force a fluid exerts on a submerged object. It can be calculated as:…

Q: Consider a straight conductor of length 9.7 cm. The conductor moves at right angles to a magnetic…

A:

Q: A shopper pushes her 25.0 kg cart by a force 2250 N inclined at an angle of 60.0 degrees with the…

A:

Q: Several charges are positioned in the rectangular space as follows: 10nC at (0,5,0), -10nC at…

A:

Q: Solve the problem following the GRESA format (Given, Required, Equation, Solution, Answer).Upload a…

A: While climbing, yak does work against gravity.  Therefore, work done by yak = F x (height climbed)…

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.