When the bottom string is pulled slowly in the heavy-ball-and-strings demonstration (Figure 1.7 in your text), tension
A) in the top string is due to your pull plus the weight of the ball.
B) is about the same in both strings.
C) in the bottom string is zero.
D) none of the above
Question 2
Light of wavelength 500 nm illuminates a soap film ( n = 1.33 ). What is the minimum thickness of film that will give an interference when the light is incident normally on it?
A) 24 nm
B) 56 nm
C) 94 nm
D) 188 nm
E) 376 nm
A killer whale plays with a ball of ice, soon after a researcher had thrown a snowball at the whale.
t the Osaka Aquarium, profile photo of turtle resting on bottom
Application of an ostomy bag or pouch: E, A clamp is applied to the bottom of the bag once it is in
Caravaneer on a camel, China. Tang dynasty, (618–907). Polychrome terra-cotta figure.
Thoracic cage. Avoid heavy pressure over the sternum and xiphoid process; caution over rib cage.
Slap the foot bottom with the back of the hand. Rapid, light slaps create a stimulating sensation.