Which is increased when the string of a stringed instrument is tightened? timbre
pitch
wavelength
loudness

Acalorimeter uses the principle that thermal energy flows from hotter material to colder material until both reach the same

Abumper car with a mass of 250 kg is traveling at a speed of 4 m/s. this bumper car collides and sticks to a second bumper car with a mass of 250 kg, which is initially at rest. what is the final speed of these two bumper cars after the collision, assuming they remain stuck together?

Will mark brainliest! asap! ! 16) which of the clouds shown would indicate a possible future rain storm? a) b) c) d)