Physics Electrostatics Level: High School
A charge of 5.0 nC is placed at the origin and another charge of -9.4 nc is placed at x = 26.0 cm.a) Where on the x axis is the resulting electrical potential (voltage) is equal to zero volts ?
Physics Electrostatics Level: High School
An alpha particle , starting from rest, acquired a speed of 1.38 x 10 m/s while moving through an electric potential difference .a) What was the magnitude of the electric potential ?
b) The final energy of the alpha particle , in electron volts , what was eV ?
Physics Electrostatics Level: High School
A 10 cm diameter metal sphere produce an electric field of 5,000 N/C towards the sphere at a point 25 cm the surface of the sphere.a) What is the charge on the sphere ?
b) What is the voltage at the centre of the sphere ?
Physics Electrostatics Level: High School
Two point charges are placed on the x-y plane at the coordinates : q1 = +4 nC at (15 cm, 10 cm) and q2 = -6 nC at (-10 cm, 10 cm).a) The voltage at the origin is what ?
b) The force on a 3 nC placed at the origin is what ?
Physics Electrostatics Level: High School
A point charge q1 = + 2.40 micro C is held stationary at the origin . A second point charge q2 = -4.30 micro C moves from the point x = 0.150 m , y = 0m , to the point x = 0.250 m my = 0.250 m . How much work is done by the electric force on q2 ?
Physics Electrostatics Level: High School
An electron is projected with an initial speed V noat = 5.00 x 10^6 m/s into the uniform field between the parallel plates as shown in the figure "click here". The direction of the field is vertically downward, and the field is zero except in the space between the two plates . The electron enters the field at a point midway between the plates . If the electron just misses the upper plate as it emerge from the field , Find the magnitude of the electric field .
Physics Electrostatics Level: High School
100 'micro' C is deposited on a conducting sphere of Radius R . A second sphere of radius 0.5 R is brought into electrical contact with the first sphere . What is the final charge distribution between the two spheres? What is the resulting Coulomb force between the two spheres if their centre to centre separation is 10 R ?
Physics Force & Laws Of Motion Level: High School
A child pulls a friend in a little red wagon with constant speed . If the child pulls with a force of 16 N for 14.3 m , and the handle of the wagon is inclined at an angle of 29 degree above the horizontal , how much work does the child do on the wagon ?
Physics Force & Laws Of Motion Level: High School
A child pulls a friend in a little red wagon with constant speed . If the child pulls with a force of 16 N for 14.3 m , and the handle of the wagon is inclined at an angle of 29 degree above the horizontal , how much work does the child do on the wagon ?
Physics Force & Laws Of Motion Level: High School
After a tornado , a 0.60 g straw was found embedded 2.9 cm into the trunk of a tree . If the average force exerted on the straw by the tree was 60 N , What was the speed of the straw when it hit the tree ?
Physics Force & Laws Of Motion Level: High School
After a tornado , a 0.60 g straw was found embedded 2.9 cm into the trunk of a tree . If the average force exerted on the straw by the tree was 60 N , What was the speed of the straw when it hit the tree ?
Physics Force & Laws Of Motion Level: High School
The coefficient of kinetic friction between a suitcase and the floor is 0.240 .(a) if the suitcase has a mass of 55.0 kg , how much works does it take to push the suitcase horizontally with constant speed a distance of 2.70 m across the floor ?
Physics Force & Laws Of Motion Level: High School
A child pulls a friend in a little red wagon with constant speed . If the child pulls with a force of 16 N for 14.3 m , and the handle of the wagon is inclined at an angle of 29 degree above the horizontal , how much work does the child do on the wagon ?
Physics Force & Laws Of Motion Level: High School
After a tornado , a 0.60 g straw was found embedded 2.9 cm into the trunk of a tree . If the average force exerted on the straw by the tree was 60 N , What was the speed of the straw when it hit the tree ?
Physics Force & Laws Of Motion Level: High School
The coefficient of kinetic friction between a suitcase and the floor is 0.240 .(a) if the suitcase has a mass of 55.0 kg , how much works does it take to push the suitcase horizontally with constant speed a distance of 2.70 m across the floor ?
