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An experimenter arranges to trigger two flashbulbs simultaneously, producing a big flash located at the origin of his reference frame and a small flash at x = 8.25 km. What time interval between the
Engineers are designing a curved section of a highway. If the radius of curvature of the curve is 114 m, at what angle should the curve be banked
Our solar system is about 1.34 parsecs away from planet A. An astronaut is moving away from earth toward planet A at 0.80c as measured in the earth's reference frame. What frequency of light is obse
As a bar magnet moves toward a 150-turn coil, the magnetic field (which is perpendicular to the plane of the coil) changes from 0.25 T to 0.53 T in 0.3 s. what is the magnitude of the induced curren
Two tuning forks oscillating coherently and in phase at 12000Hz are separated by 0.35m. What is the phase angle difference between the waves
A fisherman throws the anchor off her boat at an angle of 5°above the horizontal. how fast did she throw the anchor
The distance between the moon and the earth is 384,403 km, The orbital period of the moon is about 27.32 days. Calculate the average orbital speed in m/s of the moon
Electric eels generate electric pulses along their skin that can be used to stun an enemy when they come into contact with it. What power is delivered to the unfortunate enemy
A solenoid that is 111 cm long has a cross-sectional area of 13.8 cm2. There are 958 turns of wire carrying a current of 7.62 A. Calculate the energy density of the magnetic field inside the solenoid
The rotational spectrum of the HCl molecule contains lines with wavelengths of 0.0604, 0.0690 ,0.0804 ,0.0964 , and 0.1204 mm. What is the moment of inertia of the molecule
You apply a potential difference of 4.50 V between the ends of a wire that is 2.50 m in length and 0.654 mm in radius. What is the resistivity of the wire
An 18-gauge copper wire (diameter 1.02 mm) carries a current with a current density of 1.60×106A/m2. Calculate the drift velocity of electrons in the wire
Current passes through a solution of sodium chloride. In 1.00 s, 2.68×1016 Na+ ions arrive at the negative electrode and 3.92×1016 Cl? ions arrive at the positive electrode. What is the
Ship A is located 3.2 km north and 2.1 km east of ship B. Ship A has a velocity of 22 km/h toward the south and ship B has a velocity of 40 km/h in a direction 37° north of east. At what time is
As a bar magnet moves toward a 150-turn coil, the magnetic field (which is perpendicular to the plane of the coil) changes from 0.25 T to 0.53 T in 0.3 s. find the magnitude of the induced current i
A 0.0290 kg bullet moving horizontally at 400 m/s embeds itself into an initially stationary 0.500 kg block. How far does this combination travel before stopping
Two turning forks oscillating coherently and in phase at 1200Hz are separated by 0.35m, Calculate the angles of minimum intensity
Sodium ions (Na+) move at 0.841 m/s through a bloodstream in the arm of a person standing near a large magnet. what would be the magnetic force on the arm
The blade on a table saw spins at 3450 rpm. Its diameter is 25 cm. What is the speed of a tooth on the edge of the blade
A 6.00kg block is pushed 9.25m up a smooth 39.0? inclined plane by a horizontal force of 73.0N. Calculate the initial kinetic energy of the block
A 51-kg skier coasts up a snow-covered hill that makes an angle of 25° with the horizontal. What is the magnitude of the kinetic frictional force
A singly charged positive ion has a mass of 2.53 10-26 kg. After being accelerated through a potential difference of 238 V, Calculate the radius of the path of the ion in the field
A spelunker (cave explorer) drops a stone from rest into a hole. The speed of sound is 343 m/s in air, How deep is the hole
An elevator is moving upward at a constant speed of 2.50 m/s. A bolt in the elevator ceiling 3.00 mabove the elevator floor works loose and falls. How long does it take for the bolt to fall to the e
The bulk modulus for a given fluid is 1.85E+9 Pa, and the fluid density is 1000.0 kg/m3. What is the bulk modulus of this fluid