ATAR Notes: Forum

VCE Stuff => VCE Science => VCE Mathematics/Science/Technology => VCE Subjects + Help => VCE Physics => Topic started by: Studyinghard on January 30, 2010, 10:45:44 pm

Title: wavelengths and such
Post by: Studyinghard on January 30, 2010, 10:45:44 pm

A machine gun fires 10 rounds per second. The speed of the bullets is 300 m/s
a) what is the distance in the air between the flying bullets?
b) What happens to the distance between the bullets if the rate of fire is increased?


2) Consider a wave generator that produces 10 pulses per second. The speed of the wave is 300 cm/s
a) what is the wavelength of the waves?
b) What happens to the wavelength if the frequency of pulses is increased?

thnx

Title: Re: wavelengths and such
Post by: Mao on January 31, 2010, 03:49:12 am

1 a) 30m, b) decreases

2 a) 30m, b) decreases