What happens to the sound as frequency decreases? *

a. it gets higher pitched

b. it gets lower pitched

c. it gets louder

d. it gets quieter

What is the resolution of an analog-to-digital converter with a word length of 12 bits and an analogue signal input range of 100V? Show work.

Spaceship 1 and Spaceship 2 have equal masses of 200 kg. They collide. Spaceship 1's final speed is 2 m/s, and Spaceship 2's final speed is 1 m/s in the same direction. What is their combined momentum? O A. 200 kg-m/s O O O B. 400 kg-m/s C.

a metronome is a device used by many musicians to get the desired rhythm for a musical piece. if a metronome is clicking back and forth with a frequency of. 5 Hz, what is the period of the metronome

Calculate the spectral half-width at room temperature of an infrared LED of peak wavelength 550 nm.

What's the opposite of vaporization

A spring is stretched 2 cm when a mass of 40 grams is hung from it what is the spring constant of the spring

Can a red nova hurt earth?

Where does friction oppose motion in a roller coaster car

What are the the components of a technological system

Identify the scientific law from among the following statements. A) The book fell 1 meter in 0.5 seconds B) Gravity acts upon each object on the Earth. C) The velocity of the book is 2 meters/second.