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
Astronaut Piers Sellers during the third spacewalk of STS-121, a demonstration of orbiter heat shiel
Eye ball perfectly labelled (map)
A typical ball-peen hammer.
Move joints in hands. Apply scissoring to metacarpals and figure-8s to fingers.
Ball Illusion
The drum shown in the figure has a radius of 0.40 m and a moment of inertia of 2.3 kg m2about ...