Correct answer only !

which wave shows the sound from a young girl speaking quietly to her dog? consider both the frequency and amplitude of the sound wave.

Figure 9 on page 362 shows various motions of balls. the curved path followed by the yellow ball in b in picture b is result of a) inertia b) centripetal motion c) gravity and horizontal velocity d) linear motion

Which is an example of gaining a static charge by conduction? a) rubbing a balloon against your hair. b) shuffling your shoes across a carpet. c) bringing a charged rod near an electroscope. d) touching your car on a cold day and getting a shock.

Clothes dryer uses about 7 amps of current from a 240 volt line. how much power does it use?