Receiver
questions:
1) going back to the idea of a plane before take off. why was the sound of the engine louder when it goes from low to high power
goes from low to high power?
use the terms volume, energy, and amplitude to explain your answer
2) graph what the sound wave would look like for a 2 year old girl laughing and a 40 year old man
laughing

Ablock of steel has a density of 0.29lbs per cubic inch. if the block has dimensions of 1 inch by 1 inch by 3 inches, what is its weight? a. 0.29lbs b. 0.58lbs c. 0.87lbs d. 1lbs

Akg a of 55 m at an of 11 ? . if is at 98 km/h,be ?

Apositive charge moves in the direction of an electric field. which of the following statements are true? check all that apply. check all that apply. 1.the potential energy associated with the charge decreases. 2. the electric field does positive work on the charge. 3. the electric field does negative work on the charge. 4. the potential energy associated with the charge increases. 5. the electric field does not do any work on the charge. 6. the amount of work done on the charge cannot be determined without additional information.