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The ball is launched at an angle of 58.3 ° above the ground. Determine the (a) horizontal and (b) vertical components of the launch velocity.
Two point charges lie on the x axis. A charge of + 9.5 µC is at the origin, and a charge of -6.5 µC is at x = 10.0 cm. (a) What is the net electric field at x = -4.0 cm?
A charge of -4.87μC is located at the origin, and a charge of -5.52μC is located along the y-axis at 1.03917m. At what point along the y-axis is the electric field zero? The value of the Coulo
If the distance from point A to point B is 0.50 m, what is the change in the proton's electric potential energy, EPEB - EPEA?
What is th capacitance of a parallel plate capacitor where the plates have an area 5 sq meters and are separated by a distance of 2 millimeters?
A stone is dropped in still air from the deck of a high bridge. The sound of the splash reaches the deck 3 seconds later. If sound travels 1120ft/sec in still air, how high is the deck above the wat
What is the electric field magnitude at the point(4,0) due to a charge at the origin (0,0)? what is the magnitude of the electric potential at the point (4,0) due to the +3 charge?
If 5.0 x 105 J of work is required to make the car go one mile, how many miles can the car travel on one gallon of gas?
Identical point charges of +3.0e-6C are fixed to 3 of the 4 corners of a square. What is the magnitude q of the negative point charge that must be fixed to the fourth corner, so that the charge at t
A charge of -4.0 nC is at the origin and a second charge of 11.0 nC is at x = 5.00 m. Find the magnitude and direction of the electric field halfway in between the two charges.
Ball flies 50 yards in this direction, before it is caught. What is the total distance between were the ball was initially spotted and were it was caught? Write down x and y components of each vecto
A 0.700-V potential difference is maintained across a 1.50-m length of tungsten wire that has a cross-sectional area of 0.500 mm2. What is the current in the wire?
Calculate the rate at which internal energy is produced in 1.95 m of 12-gauge copper wire carrying a current of 20.0 A.
A 120-V motor has mechanical power output of 3.20 hp. It is 91.0% efficient in converting power that it takes in by electrical transmission into mechanical power. (a) Find the current in the motor.
The current decreases as the heating element warms up. When the toaster reaches its final operating temperature, the current is 1.51 A. (a) Find the power delivered to the toaster when it is at its
A car owner forgets to turn off the headlights of his car while it is parked in his garage. If the 12.0-V battery in his car is rated at 140.0 A · h and each headlight requires 24.0 W of powe
A rectangle has been measured to have sides (in cm) 23.42, 24.25, 13.11, 13.42, each with uncertainty 0.05 cm. Calculate, with uncertainty, the perimeter and area of this rectangle.
Using the Earth as the frame of reference, how many feet does the bottle travel between the moment it falls off the cart, and when it hits the airplane's deck? Report your answer to the nearest thre
By how much does the ball clear or fall short of clearing the crossbar? What is the vertical velocity of the ball at the time it reaches the crossbar?
Determine the electric field at a location which is at the middle of the stick but 1 cm away from the stick. That is at the 50 cm point, 1 cm away from the stick.
A meter stick is charged with 20 micro Coulombs by placing it on a Van de Graff generator. Assume that the charge is distributed evenly along the stick. Determine the electric field at a location wh
Two positive point charges Q1 = 16 micro Coulombs and Q2 = 4 micro Coulombs are seperated in a line by a distance of 3 meters. Find the spot on the line bewteen the charges where the electric field
Consider an XY plane with charges located at the following points: Q1 is located at X=0, Y=0 and has a magnitude of 4 micro Coulombs Q2 is located at X=0.1 meter, Y = 0 meters with charge -5 micro C
Calculate the rms speed of a carbon dioxide molecule at 25°C.
A 72-kg sprinter accelerates from rest to a speed of 11.0 m/s in 5.7 s. (a) Calculate the mechanical work done by the sprinter during this time.