Assignment II 1. A charge cork ball of mass 1g is suspended on a light string in the presence of a uniform electric field, E= (3.00x + 5.00 9)x105 N/C, the ball is in equilibrium at 8 = 37. a. Find the net charge on the ball. b. Calculate the Tension on the string q

Q: A uniformly charged disk with radius R = 40.0 cm and uniform charge density = 6.40 x 10-3 C/m² lies…

A: Given:-  The radius of the disk is R = 40 cm  The uniform charge density of the disk is σ = 6.40 x…

Q: V₁ = 100 m/s 0 = 30° 50 m

A:

Q: M₂0 (remaining masses are constant) e) Under what condition will the system move with a constant…

A: Given  a = ( m2 - m3) g/[ m1+ m2 + m3]

Q: A 2.30 kg block is initially at rest on a horizontal surface. A horizontal force of magnitude 5.92 N…

A:

Q: A pulley has a string holding two masses which both hang straight down. If the mass on the left has…

A: The mass of the block is 8.47kg

Q: Due to a jaw injury, a patient must wear a strap that produces a net upward force of 5.00 N on his…

A:

Q: A golfer is attempting to reach the elevated green by hitting his ball under a low-hanging branch in…

A: Given, The initial speed of the golf ball, vo = 115 mihr = 51.4096 ms we know the conversion, (1 mih…

Q: At a certain time a particle had a speed of 91 m/s in the positive x direction, and 5.2 s later its…

A:

Q: Why does adding thermal energy make routine change from a liquid to a gas? (hint: think about what…

A: When we supply thermal energy to liquid the mean energy of the molecules (temperature of the system)…

Q: Given a vector A = 10 units at 30° |Given a vector B = 10 units at 230⁰ Mathematically…

A: Given, Vector A = 10 unit at 30°  Vector B =  10 unit at 230°

Q: A man paddles a canoe in a long, straight section of a river. The canoe moves downstream with…

A: Given The canoe speed with respect to water in downstream = 4 m/s . speed of river water with…

Q: Charge q₁ = 2.50 nC is at x₁ = 0 and charge q2 = 5.50 nC is at x₂ = 5.00 m. At what point between…

A:

Q: If you wanted to push a charge along one of the electric field lines from one conductor to the…

A: Explanation-  We know that the work required to move a charge along an electric field line depends…

Q: In recent years, scientists have discovered hundreds of planets orbiting other stars. Some of these…

A:

Q: See the provided image of the Michelson-Morley experiment and the following calculations for  tA→C→A…

A:

Q: DCM¹ Consider a DCM from ê to ê' that equals to the following: 0.6124 -0.2803 0.7392 0.7071 0.6124…

A: we can solve this by matrix equation. put zero is equal to this matrix.

Q: P1-2 Determine the magnitude of force F so that the resultant FR of the three forces is as small as…

A:

Q: Q5/ The x-coordinate of a particle in curvilinear motion is given by x = 2t2 - 3t where x is in…

A:

Q: Question 15 of 20 (a) Number i Units Units UNITS CHOICES: no units, s, m, m/s, m/s^2

A:

Q: What gives the summation of moments at point A?

A: From earlier solution, The resulting value of moment at A by F1 = 3000 lb.ft (clockwise). The…

Q: An electrostatic potential is given by V = (1/(4πε_0) )((P r)/r^3) Calculate the electric field…

A:

Q: m A small rock is thrown vertically upward with a speed of 12.0 from the edge of the roof of a S…

A: Given data:  A rock thrown vertically upward  Initial velocity (uy) = 12.0 m/s Height of the roof of…

Q: How does the energy needed to move an electron to a higher energy level compare to the energy…

A: An atom will absorb energy when one of its electron move from a lower energy level i.e. from ground…

Q: What are the unusual physical properties of water ?

A:

Q: 2. An arrow is launched at an angle of 57 deg with a speed of 312 ft/s. Find the maximum height, the…

A: Given value--- angle = 57 degree.  initial speed = 312 feet. We have to find--- maximum height  ?…

Q: You take a frisbee to the top of the Washington Monument and send it sailing along horizontally at a…

A: Given that, A frisbee sent horizontally from the top of the building The initial speed of frisbee is…

Q: Does potential energy increase or decrease when two atoms are repealing?  Does potential energy…

A: Consider a situation in which two atoms are coming close to each other Case 1. when the two atoms…

Q: Two dogs pull horizontally on ropes attached to a post; the angle between the ropes is 80.0∘. Dog A…

A:

Q: How much force does it take to stretch a 5 m long, 1.0 cm diameter steel cable by 3.0 mm? Th Young's…

A: length = L = 5 cm= 0.05 m diameter = 2r = 1 cm radius = r = 0.05 cm area = A =π r2 = 3.14 x 0.05 x…

Q: Find the current I1, I2, and I3 in amperes.

A:

Q: Jack is 5'1” and his brother is 6’ 3”. Jack's maximum strength is to lift 100 lb and his brother 111…

A:

Q: Explain the reason for higher speed of a lighter car when it propels by a carbon dioxide cartridge.

A: Given:Carbon dioxide cartridges are designed to provide a certain impulse on the car.The carbon…

Q: A long string is wrapped around a 6.3-cm-diameter cylinder, initially at rest, that is free to…

A:

Q: On which ball is a non-zero resultant force acting? a ball moving at constant speed on a smooth…

A: We need to tell in which case the ball will have non zero resulting force Correct option -: C. In…

Q: A projectile is fired with an initial speed of 32 m/s at an angle 70° above the horizontal. The…

A: Given data, Initial Speed v0=35 m/s Angle θ=70° Time of flight t=10 s

Q: A rock is dropped from a 128-m-high cliff. How long does it take to fall (a) the first 64.0 m and…

A: Given data:  A rock is dropped from a cliff Height of the cliff (h)= 128 m Required: The time taken…

Q: The helicopter view in the figure shows two people pulling on a stubborn mule. The person on the…

A:

Q: The electric field intensity in free space is given by E = 2xyz ax +x²z ay +x²y a₂ V/m Calculate the…

A:

Q: Current Attempt in Progress The figure shows a thin rod, of length L = 1.50 m and negligible mass,…

A: Here we will equate the total mechanical energy that is potential energy and kinetic energy at…

Q: The time it takes for a cloud 106,000 AU in radius to collapse in "free-fall to form a new star is…

A:

Q: Please show me how to cancel the unit for in transforming Watts/(rad/s) --> N-m

A: Explanation given below step

Q: if the acceleration of gravity at a point is g = 9.8 m/s^2 and an object is resting on the ground at…

A:

Q: A locomotive is accelerating at 2.43 m/s². It passes through a 22.6-m-wide crossing in a time of…

A:

Q: Vector C has a magnitude of 23.4 m and points in the −y‑direction. Vectors A and B both have…

A: Given value--- C = 23.4 m. alpha = 42.9 degree.  beta = 28.7 degree. We have to find--- magnitude…

Q: 69) A rescue helicopter is hovering over a person whose boat has sunk. One of the rescuers throws a…

A:

Q: A 5.0 g coin is placed 15 cm from the center of a turntable. The coin has static and kinetic…

A: Given value--- A 5.0 g coin is placed 15 cm from the center of a turntable. The coin has static and…

Q: A placekicker is attempting to make a 48-yard field goal. If the launch angle of the football is…

A:

Q: When only the position is given, acceleration can be written as O dx dt Odx dt2 O none of the above…

A: CONCEPT: we denoted position by (x) velocity by (v) and acceleration by (a) We know, velocity of any…

Q: 1. A ball rolls horizontally with an initial speed v. off the top of a cliff that is 2.75 m tall. At…

A:

Q: A 2.0-g feather and a 9.0-kg bowling ball are free falling in vacuum at the surface of the earth. If…

A: Given data:  A feather and a bowling ball are falling freely in vacuum at surface of the earth…

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.