12. you take a trip to dallas, 446km from san antonio. if it took 6 hours and 30 minutes (there was
a wreck in austin, of what was your average velocity to dallas? let's say you take the
highway 130 toll road coming back and you average 105km/hr. how long did it take you to get
from dallas to san antonio? note: remember, it asked for velocities, so what do you need to
have a complete

Physics make-up packetname_cle14. an observer hears a sound with a frequency of 400 hz. if the speed of sound is 340 m/s,what is the wavelength of the sound? a. 0.85 mb. 1.2 mc. 2.75 m13.6 m15. as sound travels from steel into air, its speed decreases. if the frequency of the wavedoesn't change, what happens to its wavelength? a. it increases(b) it decreasesc. it remains the samed. there is not enough information given

**urgent** roberto plans to use two transformers to reduce a voltage of 120 v to 4 v. he uses a transformer that has 300 coils in the primary winding and 50 coils in the secondary winding. he has four other transformers, as listed in the table. which transformer should roberto use to have an ending voltage of 4 v? a- w b-xc- yd- z

Of is j/kg·k. if a 2.6 kg of isk to k,is ?