Help please 50 points! What is the angular speed and the tangential velocity at the edge of a disk with a radius of 12.5 cm if it
completes 10 revolutions in 4.18 s?

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Ajet plane has a sound level of 120 db at a distance of 60 m. what is the q23. sound level at a distance of 6.0 km? (60)2 (6000)? om solution 80db db, hint: 16x assume ultrasound waves travel through the body of an animal at 1540 q24. m/s. if a 30,000 hz signal were reflected off a portion of a heart which was moving toward the source at 3 m/s, what frequency signal would return to the stationary source? solution 30.117hz

When a light bulb shines, it gives off light energy and energy. a. heat b. potential c. chemical d. electrical

Avehicle accelerates from 0 to 30 m/s in 10 seconds on a straight road