stats
what is the distinction between repeated measurements and matched items?
physics
What is the speed of sound in a medium where a 100-kHz frequency produces a 5.96-cm wavelength?
physics
What is the sound intensity level in decibels of ultrasound of intensity 10^5 W/m2, used to pulverize tissue during surgery
physics
What sound intensity level in dB is produced by earphones that create an intensity of 4.00¡¿10^-2 W/m^2?
physics
What is the intensity in watts per meter squared of 85.0 db sound?
Social studies
what was the formal name for our country?
physics
The pendulum on a cuckoo clock is 5.00 cm long. (a) Determine the period of this pendulum. (b) What is its frequency?
physics
What mass on a spring with a spring constant of 120 N/m will oscillate with a period of 1.0 s?
physics
A force of 85 N is required to compress the spring by 0.0200 m. How much force is needed to compress the spring by 0.0600 N? 3.
physics
A 4.5-kg block is hung from a spring causing the spring to elongate 12 cm. With what period will the spring oscillate if the spring was stretched 15 cm and released?
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