Predict what will happen if you hit the baking tray when it is
placed closer to the drum.

when we tap the drum and touch it at that time it's stretched surface of leather or any other material producer vibrating effect due to which a loud sound is produced with a large wavelength

there's the proffessional site that will you.

regents of the university of california v. bakke, 438 u.s. 265 (1978), was a landmark decision by the supreme court of the united states. it upheld affirmative action, allowing race to be one of several factors in college admission policy.