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How is sound produced and how are standing waves set up in the instruments? Key words: incident, reflected, interference, wavelength, string/pipe length
A thin sheet of transparent material has an index of refraction of 1.40 and is 15.0 mm thick. how many fringe shifts occur in the pattern
As you eat your way through a bag of chocolate chip cookies, you observe that each cookie is a circular disk of diameter of 5.70 ± 0.02 cm, Find the average volume of a cookie
A car accelerates uniformly from rest to a speed of 35.0 mi/h in 9.0 s, find the constant acceleration of the car
A 9.4 cm diameter loop of wire is initially oriented perpendicular to a 2.3 T magnetic field. determine the average induced emf in the loop
A circular coil 17.0 cm in diameter and containing eleven loops lies flat on the ground. Determine the magnitude of the torque on the coil
The angle of reflection of a reflected ray is 75º. what is the angle formed by the incident ray and the reflected ray?
A steel rod has a length of exactly 0.2cm at 30degree centigrade. what will be its length at 60degree centigarde?
the time constant of an RL circuit with L=25mH is six times larger than the time constant of an RC circuit with C=55uF. Both circuits have the same resistance R. What is the time constant of the RC
Two 2.00 cm X 2.00 cm plates that form a parallel-plate capacitor are charged to ± 0.708 nC. had are the electric field strength inside and the potential difference across the capacitor if th
The light bulb in the circuit has a resistance of 11 ohms and consumes 6.7 W of power as the 1.25 m long, What speed must the rod have if the current in the circuit is to be 0.65 A
A spelunker is surveying a cave. He follows a passage that goes 181 m straight west, Use a scale drawing to determine the fourth displacement
On a clear day at a certain location, a 123-V/m vertical electric field exists near the Earth's surface. Compute the energy density of the magnetic field
A 6.0-kg block is at rest on a horizontal floor. If you push horizontally on the 6.0-kg block with a force of 24.0 N, it just starts to move. What is the coefficient of static friction
A technician wraps wire around a tube of length 40.0 cm having a diameter of 7.90 cm. find the self-induced emf in the solenoid?
A spacecraft is in orbit around a planet. The radius of the orbit is 2.9 times the radius of the planet (which is R = 71451 km), What is the period of the spacecraft's orbit
Two wires of the same cross-sectional area and length, but made of different materials, are connected in series. what is the resistivity of the other material
An alpha particle is a helium nucleus and therefore consists of two protons and two neutrons. How much time passes before the alpha particle comes to rest
An 60 kg skier is sliding down a ski slope at a constant velocity. The slope makes an angle of 5 degrees above the horizontal direction. What is the coefficient of kinetic friction between the skis a
Suppose you walk 18 m straight East and then 26.5 m straight South. How far are you from your starting point in meters
An archer shoots an arrow with a velocity of 46.0 m/s at an angle of 45.5° with the horizontal. What is the initial speed of the apple
If the PEL, PERSONAL EXPOSURE LIMIT for a substance is 500 ppm., the SAE is 0.10 for the sampling method, what is the lower confidence limit test results
A ball is tossed from an upper-story window of a building. The ball is given an initial velocity of 8.60 m/s at an angle of 25.0° below the horizontal. Find the height from which the ball was th
A diver springs upward with an initial speed of 2.19 m/s from a 3.0-m board. What is the highest point he reaches above the water
A soccer player kicks the ball toward a goal that is 21.0 m in front of him. Find the speed of the ball when the goalie catches it in front of the net