Object A of mass M is released from height H, whereas object B of mass 0.5M is released from height 2H. What is the ratio of the
velocity of object A to that of object B immediately before they hit the ground?
A. 1:2
B. 1.41 :1
C. 1: 1.41
D. 1:4
E. 1:1
A. 1:2
B. 1.41 :1
C. 1: 1.41
D. 1:4
E. 1:1
1 answer:
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Answer:
Temperature at the bottom will be 19.18°C
Explanation:
We have given height h = 807 m
Temperature at the top
Specific heat of water c = 4200
From energy conservation
Kinetic energy at the bottom = potential energy at the top
So
So temperature at the bottom = 17.3+1.88 = 19.18°C