Homework Solution

TQ 2-2

a.    Striking a match:
        kinetic (match placed in motion) to
        thermal (via friction) to
        chemical to
        thermal and light

b.    Windmill:
        kinetic (motion of air) to
        kinetic (motion of blades and shaft)

c.    Ball rolling off a table and bouncing on floor until it stops:
        gravitational potential energy) to
        kinetic (while falling) to
        potential (elasticity of ball) and thermal to
        kinetic and potential (while rising) to
        etc (as bounces)

d.    Microphone:
        sound to
        electrical

e.    Flashlight:
        chemical to
        electrical to
        light and thermal