5
The graphs show how air pressure changes with height in the atmosphere and how water
pressure changes with depth in the sea.
How air pressure changes with
height in the atmosphere
How water pressure changes with
depth in the sea
9900
Air pressure (kPa)
Water pressure (kPa)
1000
1000
Height (m)
Depth (m)
a Describe the similarities and differences between the two graphs.

initial speed when it is dropped is 150 ft/s

now at the same moment the acceleration due to gravity is perpendicular to its velocity

so as we know that

now we have centripetal acceleration a = 32 ft/s^2 as its perpendicular to velocity

while tangential acceleration at the same moment will be zero

so

now radius of curvature is given as

so the radius of curvature just after it is dropped is 703.125 ft