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If the frequency stamped on a tuning fork is 320Hz; while the measured frequency is 315Hz, what is the percent difference of the measured values compared to the stamped one?
A. 21%
B. 1.6%
C. 0.93%
D. 5Hz
E. 320Hz
The drawing shows a skateboarder moving at 7.87 m/s along a horizontal section of a track that is slanted upward by 49.2 ° above the horizontal at its end, which is 0.739 m above the ground.
A length of aluminum wire has a resistance of 14.0 ? at 22.0°C. When the wire is warmed in an oven and reaches thermal equilibrium, Neglecting thermal expansion, find the temperature of the oven
A 2.94g aluminum bullet at 31.0°C is fired at a speed of 236 m/s into a large block of ice at 0°C, in which it embeds itself. What quantity of ice melts
Light propagating in the glass n1= 1.65 wall of an aquarium tank strikes the interior edge of the wall with incidence angle 19.0 degrees . What is the angle of refraction in the water
A straight ladder is leaning against the wall of a house. The ladder has rails 3.20 m long, joined by rungs 0.530 m long. What should be the thickness of the rock
The train passes point A with a speed of 30 m/s and begins to decrease its speed at a constant rate of at = -0.25 m/s2. Determine the magnitude of the acceleration of the train
A 125 g wire is held under a tension of 218 N with one end at x = 0 and the other at x = 12.0 m. At time t = 0, pulse 1 is sent along the wire from the end at x = 12.0 m. At time t = 25.5 ms, pulse 2 is sent along the wire from the end at x = 0. A..
A stamp collector views a 1.5 cm tall stamp through a magnifying glass. The magnifying glass is a converging lens with a focal length of 15 cm. The stamp is 3 cm below the lens. (a) Sketch a ray-tracing of this situation. (b) Where is the image of th..
an electric dipole consists of charges 2e and -2e separated by 0.77 nm. it is in an electric field of strength 4.20 106
In a series R-L-C circuit, L = 0.205H , C = 80.5?F and the voltage amplitude of the source is 260V, What is the resonance angular frequency of the circuit
An AC generator with a variable frequency is connected across a 45 cm piece of the coaxial cable( outer radius of 4.5mm and an inner radius of 1.5mm, what is the new resonant frequency
suppose that a basketball league has 32 teams split into two conferences of 16 teams each. each conference is split
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