Three charged spheres are at the positions shown (a) Find the net electrostatic force at sphere B. (b) Find the net electric field at (4,-3) 4 cm 4.8uc 8.2 uC 6.Ouc

Q: 2. A 35 kg child is riding on a swing. At her highest point she is 1.8 m above the ground, at her…

A:

Q: 15. R 전자석은 저항과 직렬로 연결된 인덕터로 생각할 수 있다. 유도 계수 L=12.0 H 와 저항 R-4.00 요 울 가진 큰 전자석이 24.0 V의 배터리와 스위치에 그림과…

A: Write the variables with the given values.

Q: Can you explain please

A: Given information:The energy intensity delivered by the sun (Is) = 1000 W/m2The dimensions of the…

Q: Determine the moment of inertia (mm4) of the cross section shown with respect to the x-axis if…

A:

Q: 1. The rectangular framework shown in the next slide is subjected to the indicated non-concurrent…

A: In order to calculate the net force , we first need to  write the components of each force in x and…

Q: The average intensity of the solar radiation that strikes the Earth normally (just outside the…

A: Intensity I=1.4 KW/m2= 1400 W/m2 Mean Earth - sun distance r= 1.5*108 m Speed of Light c=3*108 m/s…

Q: 2. A person decides to swim across a river 84 m wide that has a current moving with a velocity of…

A: According to guideline I solve only first 3 subparts of question 2.

Q: 4. A cannon is pointed upward at an angleof 30 degrees with respect to the horizontal ground. If the…

A:

Q: B A coin sits on a rotating turntable as shown in the figure. At the time shown in the figure, which…

A: We need to say what the direction of friction will be on the coin on turntable.

Q: Above. 20. Estimate the wavelength at which the Sun emits the most light. Assume that the average…

A: Temperature (T) = 5800 k

Q: A lacrosse player provides a torque to a ball at the end of their stick, which provides it with an…

A: Given data: Moment of inertia (I) = 0.5 kg.m2 Angular acceleration (α) = 700 rad/s2 Required: Torque…

Q: please answer both

A: Hello. Since you have posted multiple questions and we will solve the first question for you. If you…

Q: (2) Use Ampère's Law to find the magnetic field at the point (0, p, 0) caused by an infinite sheet…

A: Given, Current density K→=K0k^

Q: Compute for the voltage Vab in the circuit shown below. RS a- 2 Ohms V3 b- 허미다 10V ○-12.6547 V ○…

A: Current is dependent on voltage between 2 terminals. This is called Ohm's law. More is the potential…

Q: Two forces of magnitude TA= 7803 lb and TB= 14237 lb are applied as shown to a welded connection.…

A: Given, TA= 7803 lbTB= 14237 lbθ= 48°

Q: The motion of a particle is defined by the relation x = 21³ – 15t² + 24t + 4, where x is expressed…

A:

Q: 1. A thrower, standing at point P throws a ball at an angle of 30° aiming a basket kept at point O,…

A: Given,angle θ=30°QO=18mQO'=15mg=9.81m/s2 Note : Since we only answer up to 3 sub-parts, we’ll answer…

Q: 4. What is the rate of heat transfer by radiation, with an unclothed person standing in a dark room…

A: Given, Ambient Temperature =24°C Skin temperature =32°C Surface Area =1.6 m2. Emissivity of skin…

Q: Find the force(F) on a 10µC charge at (1,1,3)m if four like charges of 200µC are located on thex and…

A:

Q: and velocity as the fil impulse identical to in problem 31. Howe designed to crumple

A: Given as, Average force= 1.23×107 NS, Time interval= 21.0 ms=21×10-3s, Interaction duration= 57.1…

Q: The Newton's law of cooling gives us that, when cooling an object in a tank of constant temperature…

A: Q1 ) In terms of Picard's theorem the solution to the Malthus model exists everywhere and is unique.…

Q: M = -5î + 10ĵ Ñ = -15î – 15ĵ What are the resultant vectors M + Ñ · M – N , and N – M What is the…

A: Note: As per the guidelines, we can only answer three subparts of a single question. Sorry for the…

Q: 8. A transformer is a device used to increase or decrease the voltage through induction. Which…

A: The positive charge accelerates along the direction of electric field.  So the charge ( which is…

Q: 44. (a) What is the equivalent resistance between points A and B? (b) A 276-V emf is connected to…

A:

Q: answer this

A: Given- The spherical surface of radius R and electric field pointing radially outward from the…

Q: An oil tank is in the shape of a right-circular cylinder with a radius of r meters and its axis is…

A: An object is considered to be under pressure when it is subjected to physical force. Each unit of…

Q: 1.A motorboat was moving E 20° S] at 50.0 km/h. The operator then turned the boat E 20° N] and…

A: 50kmph E 20° S  30kmph E 20° N  East and West as X axis  North and South as Y axis  T= 5min

Q: 10. An object accelerates 2.0 m/s? when a force of 12.0 Newtons is applied to it. What is the mass…

A:

Q: An incident beam of deuterons is brought to bombard a thin beryllium target (at rest) 2H + °Be -1°B…

A: The nuclear reaction takes place when two nuclei of atoms bombard to form one or more nuclei. When…

Q: Determine the distance h of the symmetric beam cross section to the locate the centroid given that…

A: a=6.8mm b=10.5 mm  C=20.5mm  d=117.2mm

Q: (5) A 15.0A current produces a B field at the center of an arc of angle n/4 radians and radius…

A: (5) Given Current (I) = 15.0 A Radius (r)  = 0.500 m Angle θ  = π4 radians

Q: r from the starter cable of a car, carrying 140 A, must you be to experience a field less than the…

A: Current(I)=140A Magneticfield(B)=5.10×10-5 T

Q: Suppose we discovered a planetary body orbiting our Sun at a distance of 15 times the Earth-Sun…

A: We have to answer the questions given.

Q: Two forces P and S, act on a ring, as shown. A. 07 R 1. Which of the following best shows the force…

A: We are given  forces. We find the resultant of 2 forces. We then find the magnitude and direction of…

Q: When it comes to magnets, like poles... O don't interact. O attract. O repel.

A: Answer:

Q: Given A = y 4a + a_and vectors B = 2a_ + 3a , find the scalar projection of A on B. %3D 2 Answer:

A: Given  A→=4ay→+az→B→=2ax→+3ay→ Scalar projection of A→ on B→ is given by, s=A→·B→B

Q: 51, please.

A: Given: Potential energy of the stuntman = 10,000 J

Q: n identical cells each of e.m.f E and internal resistance r are connected in parallel. An external…

A:

Q: 2. What is the maximum length of a wrench needed to apply 90 Nm torque to the bolts on a motorcycle…

A:

Q: A hollow metal sphere has an inner radius a and outer radius b. The hollow sphere has charge +2Q. A…

A:

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.