Acertain wave has a wavelength of 35 meters and a frequency of 4.0hz. what is the speed of the wave

When someone slams her books on a table the kinect energy is transferred into vibrations that travel to your ears as sound waves which statement describes the movement of those waves

5g of ammonium nitrate was dissolved in 60g of water in an insulated container. the temperature at the start of the reaction was 23.0°c and at the end it was 19.0°c. calculate the energy absorbed by the reaction.

The pressure proportional to the area a- inversely b- directly c- increase d-decrease