spheres

Q: The value of the line integral of B around the closed path in the figure below is 3.77 x 10° Tm. Wha...

A: I1=2 A I2=6 A B= 3.77 x 10-6T.m μo=4π x 10-7T.m/A

Q: Question 3

A: Recall When Object is in air T1=mg When object is in water               T2+FB=mg,  where FB is buoy...

Q: Please choose correct answer.

A: v=dxdt≡x=∫dx=∫vdtWe have to integrate the area under the curve from t=0 to 7 hoursThe area under the...

Q: Joy is traveling by a car and the distance (D) she travels varies directly with the amount of time (...

A: Given that Joy is traveling by a car and the distance (D) she travels varies directly with the amoun...

Q: 9. Two positive charges Q1 and Q2 are separated by a distance r. The charges repel each other with a...

A: Write the expression for coulomb's law. F=14πε0Q1Q2R2                                               ...

Q: Determine the total potential energy of the blocks when the 8.2kg block is just released from rest. ...

A: mass , m1 = 8.2 kg mass , m2 = 2.9 kg height , h1 = 6.2 m To find = a) Total Potential Energy       ...

Q: A gas is compressed inside a cylinder. An average force of 80 N acts to move the piston 4.5 m. Durin...

A: Average force acting on piston F = 80 N Displacement of piston S = 4.5 m Now work done in moving pis...

Q: A dust particle with charge q = -7.6 x 10-6 C and mass m = 2.5 x 10-8 kg is traveling at a constant ...

A: The time will be 0.0368 seconds. 

Q: Joy is traveling by a car and the distance (D) she travels varies directly with the amount of time (...

A: Given data d1=120 milest1=3 hrsd2=180 miles

Q: A uniform 4.4-kg metal bar is attached to a vertical post by a hinge. The bar is 1.8 m long and is t...

A: Given  mass of 4.4 kg and length of bar is 1.8 metre and angle is 23 degree. Torque = force x perpen...

Q: A ball is dropped from rest 3.20 m directly above the vertex of a concave mirror having a radius of ...

A: Given that, A ball is dropped from rest 3.20 m directly above the vertex of a concave mirror having ...

Q: compound microscope has a tube length of 22.0 cm and an objective lens of focal length 8.0 cm. 1)...

A:

Q: On a horizontal frictionless table, a 3-kg block moving 5 m/s to the right collides with an 8-kg blo...

A:

Q: An oscillator makes 360 vibrations in 3 minutes. How many vibrations does it make in one minute and ...

A:

Q: Gravity: A satellite circles the earth three times per day (it has an 8-hour period). Given Mearth =...

A: Time period , T = 8 hours = 8 x 3600 = 28800 sec Mass of earth , ME = 5.98 x 1024 kg Radius of Earth...

Q: Please help me

A: Using concept of critical angle and snells law

Q: Convert the following temperatures. A) 21degree Celsius to Fahrenheit B) 50 degree Celsius to kelv...

A: Given, Temperatures, T1=21°C,T2=50 °C,T3=85 °F

Q: 39. . A Gaussian surface is one on which, in a given situation, the electric field is everywhere the...

A: A. True

Q: An electric generator produces 200 kW of power and delivers the electricity at 6,500-V. How much les...

A: Power is the product of current and voltage.  Calculate the current corresponding to both the voltag...

Q: A student throws a ball upward from a height of 48 feet, initially at 32 feet per second. a. Write t...

A: Given:-  A student throws a ball upward from a height of 48 feet, initially at 32 feet per second. F...

Q: A box of mass 10 kg initially was at rest on a frictionless horizontal table. After applying a force...

A: Given that, The mass of a box, m = 10 kg The initial speed of the box, u = 0 (at rest) After applyin...

Q: What is the kinetic energy of a 3.2 kg fish swimming at 2.7 km / hour?

A:

Q: What is the frequency (in GHz) of radio waves of wavelength 110 mm?Answer correct to 2 decimal place...

A:

Q: A playground merry-go-round, with radius 2.9 m and moment of inertia 127 kg m², rotates with an angu...

A:

Q: A bird 150 ft above the ground flies horizontally at a speed of 11 ft/s. At what rate is the angle (...

A:

Q: What is the accelerated uniform rectilinear motion?

A:

Q: This is the same question.

A: Hello. Since you have posted multiple questions with multiple subparts and not specified which quest...

Q: In each case find the electric field and potential at point o. 2-

A: Concept used: Net charge is found using linear charge density.

Q: (a) Find the magnitude of the gravitational force (in N) between a planet with mass 7.25 ✕ 1024 kg ...

A: Mass of planet ,M = 7.25 ✕ 1024 kg Mass of moon ,m = 2.40 ✕ 1022 kg Distance , r = 2.90 ✕ 108 m To f...

Q: Question 1

A:

Q: An infinitely long cylindrical conductor has radius R and uniform surface charge density. In terms o...

A: The charge per unit length is defined as the linear charge density. Its SI unit is Coulomb/meter. 

Q: You are standing between two stereo speakers that are emitting sound of wavelength 9.20 cm in step w...

A: Given that  You are standing between two stereo speakers that are emitting sound of wavelength 9.20 ...

Q: Considering the flow of a fluid with internal friction, which of these changes will make the pressur...

A: Let the original pressure = P The density of fluid = d the original velocity = v area of cross secti...

Q: Starting from rest, a basketball rolls from the top to the bottom of a hill, reaching a translationa...

A: Write the given values of the problem- translational speed=5.6 m/s  

Q: A projectile is launched with a speed of 31.1 m/s at an angle of 71.2 degrees above the horizontal. ...

A: Given, Initial Horizontal component of velocity,ux=10 m/s Initial Vertical component of velocity,uy=...

Q: A 365-g sample of an unknown (nongaseous) material experiences a 16.0°C increase in temperature afte...

A: Specific heat is the ammount of heat required to raise the temperature of substance by 1°C.

Q: 10. Which one of the following represents correct units for electric field strength? a. T b. N/C c. ...

A: Given:-  Which one of the following represents correct units for electric field strength? Find- corr...

Q: Net production, or increase in biomass, may be calculated as: O gross production – photosynthesis O ...

A: The bio mass is the animal waste, or the agricultural wastes which is used to generate the useful en...

Q: Find the momentum of the pendulum bullet composite immediately after impact. Find the maximum height...

A:

Q: When a man stands near the edge of an empty drainage ditch of depth 2.80 m, he can barely see the bo...

A: depth (h) = 2.80 m h = 1.76 m θ = 29.7o  

Q: A proton of mass m undergoes a head-on elastic collision with a stationary carbon nucleus of mass 12...

A: Given:-  A proton of mass m undergoes a head-on elastic collision with a stationary carbon nucleus o...

Q: A stick with length L and mass M is being spun around its center point by a constant torque producin...

A: We know that torque  T=Iα

Q: An alert physics student stands beside the tracks as a train rolls slowly past. He notes that the fr...

A: The doppler effect for sound for: frequency when the source is approaching listener is f'=vv-vsfsour...

Q: Two identical wheels are moving on horizontal surfaces. The center of mass of each has the same line...

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts (a, b, an...

Q: brought near a larger positively Charged object how are 1. When a neutral object the negative charge...

A: any object is neutral means  it has equal amount of positive and negative charge and unlike charge a...

Q: Since the potential of a perfect conducting sphere with a radius of 2.7 cm in empty space is 10 V, c...

A: given that V = 10 volt d =16.3 cm = 0.163m since we know that E = -V / d                            ...

Q: A hobbyist inspects a nickel with a magnifying glass, as shown below. Viewed through the lens, the n...

A: Given Data : The magnification of the lens is given as m = 4. The distance of nickel from the lens i...

Q: Please answer the D and E parts, Thanks!

A:

Q: Arrival time, td, is directly (not inversely) proportional to what properties? electric field streng...

A: The time taken by the electron to pass through the conductor of length L is called the arrival time....

Q: The diagrams A and B show 4-band and 5-band resistors, find the resistance of resistors using color ...

A: The resistor A is a four band resistor, and B is a five band resistor.  (A) In A, it's first band in...

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.