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1. Describe a wave pulse and a continuous progressive (traveling) wave
2. Describe and give examples of transverse and longitudinal waves
3. Which of acceleration, age, speed, temperature, and velocity are vector quantities?
a bee that is 3m away from a person produces a buzzing sound that is barely audible (the intensity is the threshold of hearing I0) What is the decible level of 1000 bees
unpolarized light with an intensity Io=16 W/m2 is incident on a pair of polarizers. what is the intensity of light transmitted through the first and second polarizer
Horseshoe bats (genus Rhinolophus) emit sounds from their nostrils, then listen to the frequency of the sound reflected from their prey to determine the prey's speed. calculate the speed of the insect
compute the coefficient of kinetic friction between block A and the tabletop.
A battery is connected in series with a 0.31-? resistor and an inductor, Find the inductance of the circuit
q1. two trains each having a speed of 28 kmh are headed at each other on the similar straight track. a bird that can
Before throwing a 1.49 kg discus, an athlete rotates it along a circular path of radius 1.18 m. The maximum speed of the discus is 25.7 m/s.
assume that a scale is in an elevator on earth. what force would the scale exert on a 57.6kg person on it if the
A ballerina spins initially at 1.5 revolutions/second when her arms are extended. Determine her initial moment of inertia
A spherical conductor with radius 2.00 cm is centered on the origin and holds charge q1=-250 nC, Find the surface charge density a(charge per area) on the outside surface of the outer spherical shell
An engine with reservoir temperatures of 387 K and 725 K operates at half the efficiency of a Carnot engine. If the hot reservoir supplies the engine 4670 J of heat energy during each cycle, how much net work does the engine do in a cycle?
Superheated water vapor initially at 15 bar and 440°C is cooled at constant pressure to a saturated vapor state and is then cooled at constant volume to a final temperature of 120°C, Determine the quality of the water at the final state
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