Author Question: After passing through double slits, electrons make a pattern on a screen that A) shows which slit ... (Read 87 times)

gonzo233 · **on:** Jul 29, 2018

After passing through double slits, electrons make a pattern on a screen that

A) shows which slit each electron has passed through.
B) resembles a pattern that waves make.
C) has two peaks of intensity.
D) has a single wide peak of intensity.

Question 2

A jogger is running outdoors on a cold day when the temperature is -20.0C. Each time she breathes, she inhales 0.00450 m3 of air.

She is breathing at the rate of 25 breaths per minute. How much heat does she lose from breathing during 20.0 minutes of jogging if the air in her lungs is heated to body temperature (37C) before it is exhaled? The specific heat of air is 1020 J/(kgK) and the density of air is 1.29 kg/m3.
A) 169 kJ
B) 278 kJ
C) 354 kJ
D) 431 kJ
E) 543 kJ