Global positioning satellites (gps) can be used to determine positions with great accuracy. the system works by determining the distance between the observer and each of several satellites orbiting earth. if one of the satellites is at a distance of 20,000 km from you, what percent accuracy in the distance is required if we desire a 5 meter uncertainty?
%
how many significant figures do we need to have in the distance?

the answer would be a

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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