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Explain any advantages in using Conservation of Energy method to determine initial projectile velocity
What is the pressure drop due to the Bernoulli effect as water goes into a 3.00-cm-diameter nozzle from a 9.00-cm-diameter fire hose while carrying a flow of 40.0 L/s
For a satellite to be in a circular orbit 800km above the surface of the earth, what orbital speed must it be given, What is the period of the orbit
An alternating emf source with a variable frequency fd is connected in series with a 50.0 ? resistor and a 20.3 ?F capacitor. find the angular speed at which the phasors rotate
An ideal transformer's primary has 2000 turns and secondary has 50 turns. The primary is connected to a source of 120 V, Find the current in the secondary
A series RLC circuit has the following values: L =20mH, C=100 nF, R=20 Ohms, calculate the average power delivered to this RLC circuit
A 89.0 kg skydiver hanging from a parachute bounces up and down with a period of 1.50 s. What is the new period of oscillation when a second skydiver
A charge Q is transferred from an initially uncharged plastic ball to an identical ball 11cm away. The force of attraction is then 19mN. How many electrons were transferred from one ball to the othe
Two 4.0kg masses are 1.0m apart on a frictionless table. Each has 1.0?C of charge. What is the initial acceleration of each mass if they are released and allowed to move
A circular coil of wire with 10 turns and a 4.0 cm radius is located between the poles of a large electromagnet that produces a uniform magnetic field of 0.5T. Calculate the average induced emg acro
The frequency of sound waves in air from a violin string are around 570 Hz. what is the wavelength of the sound waves
A standing observer perceives a train whistle to have a frequency of 300 Hz. what is the frequency of the sound waves emitted from the train
A 5 kg mass attached to a horizontal spring is pulled from its equilibrium position by 3 m and let go. what is the maximum velocity of the mass
A fisherman notices that his boat is moving up and down periodically without any horizontal motion, owing to waves on the surface of the water. What is the amplitude A of each wave
A 40.0 µF capacitor is connected to a 50.0 resistor and a generator whose rms output is 30.0 V at 60.0 Hz. Find the following values: The rms voltage drop across the capacitor
What is the force of gravity on the satellite if it moves towards Earth so its distance is now one half the original distance and
A single-turn rectangular coil with a width of 0.3m and a height of 0.2m is in the yz plane. Find the change in flux across the rectangular loop
A 25 cm Diameter coil consists of 50 turns of circular copper wire 2.5 mm in diameter. Determine the rate at which tyhermal energy is produced
An Escort and a Camaro traveling at right angles collide and stick together. What was the speed of the Camaro
The uniform purely axial magnetic induction required by the experiment in a volume large enough to accommodate the Lorentz Tube is produced by the Helmholtz Coils. What is the magnetic induction due
A very long, straight solenoid with a cross-sectional area of 2.30cm2 is wound with 93.4turns of wire per centimeter. What is the magnitude of the emf induced in the secondary winding at the instant t
An AM radio transmitter broadcasts 47.0 kW of power uniformly in all directions, What is the maximum electric field strength at this distance
The figure below shows a conducting rod sliding along a pair of conducting rails. The conducting rails have an angle of inclination of theta= 39.0 degrees. What is the rod's terminal speed?
The helium-neon lasers most commonly used in student physics laboratories have average power outputs of 0.250 mW, Find the peak electric field strength
A blood transfusion is being set up in an emergency room for an accident victim. What is the distance h above the victim's arm where the level of the blood in the transfusion bottle should be located