The Growing Shadow
Uniform velocity · lamp post · shadow length on ground
Instructor
Dr. S Karna
Man's Velocity (v)
1.5 m/s
Lamp Height (H)
5 m
Man's Height (h)
1.8 m
▶ Start
↺ Reset
Distance of Man (x)
0.00
m
Shadow Length (s)
0.00
m
Shadow tip from post
0.00
m
Rate of shadow growth (ds/dt)
—
m/s
Shadow length:
s = x · h / (H − h)
| ds/dt =
v · h / (H − h)
| Shadow tip speed =
v · H / (H − h)