Arow of seats is parallel to a stage at a distance of 90 m from it. at the center and front of the stage is a diffraction horn loudspeaker. this speaker sends out its sound through an opening that is like a small doorway with a width d of 0.070 m. the speaker is playing a tone that has a frequency of 4.00 x 10 hz. the speed of sound is 343 m/s. what is the separation between two seats, located near the center of the row, at which the tone cannot be heard?

Jason is a body builder. despite being more fit, he weighs more than his brother ryan, who is the same height. which is a possible reason? a. jason has more muscle mass than ryan does. b. jason has more body fat than ryan does. c. jason has more muscle mass and body fat than ryan does d. jason has less body fat than ryan does.

Will give brainliest! which statement best describes the difference between strong nuclear forces and weak nuclear forces? weak nuclear forces are involved when certain types of atoms break down. strong nuclear forces are responsible for holding atoms' nucleus together. weak nuclear forces hold bonds between atoms together. strong nuclear forces hold together the nucleus of an atom. strong nuclear bonds prevent atoms from falling apart. weak nuclear bonds prevent compounds from falling apart. strong nuclear forces are involved in breaking electrons from their shells. weak nuclear forces hold protons in the nucleus.

What can you increase the strength of an electromagnet by