Air is the example of mixture
Brahe & Kepler
Answer from Quizlet
Answer:
Δ T = 2.28°C
Explanation:
given,
mass of marble = 100 Kg
height of fall = 200 m
acceleration due to gravity = 9.8 m/s²
C_marble = 860 J/(kg °C)
using conservation of energy
Potential energy = heat energy
Δ T = 2.28°C
Speed =distance/time
3.25=3.00/time
3.25xt=3.00
t=3/3.25
s=0.9s