WavePhysicsFsstHelp

I WILL POST 5 TO 6 PHYSICS WAVE QUESTIONS AT EXACTY 2 PM EST TIME (NEARLY 9.5 HRS FROM NOW)
I WILL NEED THEM DONE WITHIN 20 MINS ONCE I POST IT THEY WILL BE JUST FORMULAE BASED SO I NEED THAT WORKING AS WELL I WILL PAY $2 EACH QUESTIONS
CHECK THE SAMPLE ATTACHED