Object A with surface temperature 200K is placed into surroundings with temperature 100K and object B with surface temperature 300K is placed into surroundings with temperature 200K. Which of these two objects demonstrates greater rate of radiation into surroundings

im not to sure what it is

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