the magnetic field strength wi om spacing

Q: Which of these is equivalent to the work-energy theorem? The work done by friction is the friction…

A: Introduction We know that the work-energy theorem is related to work and energy, here we deal with…

Q: Can there be a net force on an object and have no work done to it? Defend your answer.

A: let the net force acting on the object be "F"  and displacement of the object due to this force is…

Q: How much work is done by the boy pulling his sister 33 m in a wagon as shown in the figure below?…

A:

Q: Am = 0.60 kg mass attached to a spring constant k= 90 N/m is undergoing simple harmonic motion on a…

A: Given data:  Mass (m) = 0.60 kg Spring constant (k) = 90 N/m Amplitude (x) = 0.1 m Required:…

Q: supernova's energy is often compared to the total energy output of the Sun over its lifetime. sing…

A:

Q: A 3kg book is held 2m above the floor for 40 seconds. The work done is ___?

A: GIven data: The mass of the book is m=3 kg The height is h=2 m The time is t=40 s

Q: A car speeds up from 10.0 m/s to 30.0 m/s in 3.0s. What is it’s acceleration? Please show the work,…

A: Initial velocity is Final velocity is Time is Find:Acceleration of the vehicle.

Q: In the figure here, a ball is thrown up onto a roof, landing 4.00 s later at height h - 19.0 m above…

A:

Q: A cannon fires a projectile with a speed of 110 m/s at a 30° to the horizontal. The opening of the…

A: Speed of the projectile = v = 110m/s Mass of the projectile = m = 7.0 kg Angular Velocity of the…

Q: = (x(x + y), xy²) F = to move a particle from the origin along the x-axis to (1,0), then along the…

A:

Q: A 73-kg fisherman in a 114-kg boat throws a package of mass m = 15 kg horizontally toward the right…

A:

Q: In the figure, block 1 has mass m₁ = 450 g., block 2 has mass m₂ = 570 g, and the pulley is on a…

A: See below

Q: 1. Using the steps for node voltage analysis to solve for the node voltages. Then, calculate the…

A:

Q: 11. Two wires carries currents as shown (I1 = 100 A in the +y direction and I2 = 20 A in the -x…

A: Recall B=μ0i/2πrWhere B is magnetic field at a distance r from long conductor having current i.

Q: All the units below are units of power except: O Horsepower O Watts O Newtons O Joules per second O…

A: In the given question, We have to discuss about units of power. Then We choose the correct option.

Q: Is work a vector quantity? In other words does it need a direction associated with it ?

A: To define work we just need magnitude and not direction. Also work is the dot product of two vector…

Q: The jetski has a mass of 200 kg and a speed of 20 m/s. How much work will it take to stop it?…

A: Given value--- Mass = 200 kg. initial speed = 20 m/s. final speed  = 0 m/s. We have to find---…

Q: A 10 kg block slides down a frictionless incline as shown. Find its speed when it reaches the…

A: