A model tower is constructed to a 1 : 25 scale of an observation tower
PHYSICS · Single correct · A Level · Physics · Mechanics and materials · Mechanics and materials
Problem
A model tower is constructed to a 1 : 25 scale of an observation tower. A pebble released from the top of the model reaches the ground in 0.20 s. Ignoring air resistance, the time taken by a pebble dropped from the actual tower will be
(a) 0.90s
(b) 5.0s
(c) 1.0s
(d) 0.04s