2 Hr Delay
Give review sheet for Friday’s test to periods 2-7 (due Wed)
Periods 1- 7 Watch Mythbusters Penny Drop (Season 1 Episode 4) and calculate KE and PE of the penny using this info:
mass of penny = 2.5g
height of Empire State Bldg = 390m
terminal velocity of the penny = 29m/sec
gravity constant = 10m/sec2
PE = mgh
KE = .5mv2