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a 145 Kg football player applies a force of 520 N horizontally on the opposing 125 Kg quarterback, How much work did the tackler do while pushing
a space station is a hollow cylinder of radius of 440m, that rotates to stimulate gravity by its centripetal acceleration. find the period of the rotation in seconds
A series RLC circuit has R= 50, L= 2.7 H, and C= 52 nF. It is connected to an AC voltage source with an rms amplitude of 12 V, find the average power dissipated by the circuit
A certain current on passing through a galvanometer produces a deflection of 100 divisions. The galvanometer resistance would be
While on a vacation to Kenya, you visit the port city of Mombassa on the Indian Ocean. Calculate the muzzle velocity necessary to hit a pirate ship 300 meters from the base of the fort
Consider resistor= 20 ohms, capacitor= 6 microfarads, and a 50 mH inductor, At what frequency is the current a maximum and what is the maximum rms current
An object's true weight is 123 N. When it is completely submerged in water, its apparent weight is 82 N. what is the density of the object
Calculate the self inductance of a solenoid that has N turns, a length L, a radius R, and is carrying a time varying current I(t)
A uniform horizontal beam 5.00 m long and weighing 320 N is attached to a wall by a pin connection tht allows the beam to rotate. How far out on the beam can the person stand without breaking the cab
The size of the virtual image formed by a lens is 2 times the size of the object. Find the focal length of the lens
A 2.0-cm-tall object is 20 cm in front of a converging lens that has a 10 cm focal length. Calculate the image position and height
A series RLC circuit has R = 50 %uF057, L = 2.7 %uF06DH, and C = 52 nF. find the rms amplitude of the current flowing through the circuit
A circular solenoid contains 100 turns of wire and carries a current of 2 amps. Its radius is 1 cm and its length is 10 cm. Calculate the magnetic flux through one turn of the wire
A square loop of wire surrounds a solenoid. The side of the square is 0.1 m, while the radius of the solenoid is 0.025 m. What is the current flowing in the square loop
Quentin is lifting a 10 kg dumbbell by pulling upward on it with a 108.1 N force. What is the acceleration of the dumbbell
Three capacitors having capacitances of 8.7%u03BCF , 8.7%u03BCF , and 4.1%u03BCF are connected in series across a 31-V potential difference. What is the total energy now stored in the capacitors
The drawing shows three particles far away from any other objects and located on a straight line. Find the net gravitational force
a copper piece of mass 10g is suspended by a vertical spring. The spring elongates 1 cm over its natural length to keep the piece in equilibrium. Find the elongation of the spring
A double slit experiment is performed with sodium(yellow) light of wavelength 589.3nm, Find the separation between slits
A supersonic jet passes directly overhead at an altitude of 12,930 m, traveling at 680 m/s, or mach 2. How much time elapses before you hear the sonic boom
A wind turbine turns an electrical generator that contains a wire coil with 36 loops and a loop area of 0.10 m2. what is the rms amplitude of the AC voltage produced by the generator
A converging lens with focal length of 11.8 cm is placed in contact with a diverging lens with a focal length of 21.1 cm. What is the focal length of the combination
A series RLC circuit has R = 50 %uF057, L = 2.7 %uF06DH, and C = 52 nF. What is the average power dissipated by the circuit
a standing wave is in a open-end tube as shown. the tube legth is L = 1.80m. determine the wavelength of the standing wave
A steel section of the Alaskan pipeline had a length of 55.5 m and a temperature of 19.0 deg C when it was installed. What is its change in length