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Two long parallel wires carry currents of 2.4 Amp, exert a repulsive force per unit length on each other of 1.5 x 10-5 N/m. Are the currents going in the same direction or opposite directions in the wires? Obtain the distance between the two wires?
A ray of light strikes the midpoint of one face of an equiangular (60°-60°-60°) glass prism (n = 1.5) at an angle of incidence of 32.5°. find the angles of reflection at the surfaces
A 10.0-m long string is moved up and down with simple harmonic motion with a frequency of 33 Hz. Determine the velocity of the wave on the sting
A wagon is rolling forward on level ground. Friction is negligible. The person sitting in the wagon is holding a rock. The total mass of the wagon, person and rock is 95.0 kg. The mass of the rock is 0.300 kg. Originally the wagon is rolling forward ..
for a projectile launched horizontally which of the following best describes the vertical component of a projectiles
Two relativistic rockets move toward each other. As seen by an observer on earth, rocket A, of proper length 500m, travels with a speed of .8c while rocket B, of proper length 1000m travels with a speed of .6c.
A particle of mass m is constrained to move in a vertical plane that is rotating with constant angular velocity, , around a vertical axis. Gravity is acting downward on the particle.
a helium-neon laser beam has a wavelength in air of 633 nm . it takes 1.38 ns for the light to travel through 30 cm of
A 17.0-m length of hose is wound around a reel, which is originally at rest. The moment of inertia of the reel is 0.490kg·m2, and its radius is 0.160 m. When turning, friction at the axle exerts a torque of magnitude 3.20 N·mon the reel.
Two loudspeakers placed 6.00 m apart are driven in phase by an audio oscillator having a frequency range from 1908 Hz to 2471 Hz, At what frequency of the oscillator does the sound reaching point P interfere constructively
At a recent rock concert, a dB meter registered 130 dB when placed 1.50 m in front of a loudspeaker on the stage. What was the power output of the speaker
A 2.40 bucket containing 11.5 of water is hanging from a vertical ideal spring of force constant 115 and oscillating up, What is the shortest period this system can have
In the process of changing a flat tire, a motorist uses a hydraulic jack. She begins by applying a force of 41 N to the input piston, determine the force that the output plunger applies to the car
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