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Recent questions tagged telegram-4773

(chatquestion)...82. required to place the lab in the first orbit and to shift the lab (3 another circular orbit of radius 3R. The minimum energy SUFface of 1 Tudlus 2R (from the centre of md tHen it is shifted from this circular orbit to from first orbit to the second orbit are: a. 3 mgR mgR, 6. 3 (2) mgR, 4 12 (3) mgR, mgR (4) 2mgR, mgR An object weighs 10N at the north pole of the earth. In a geostationary satellite distant 7R from the centre of the earth (of radius R), the true weight and the apparent weight are:: 74. 83 (1) ON, ON (2) 0.2N, 0 (3) 0.2N, 9.8N (4) 0.2N, 0.2N There are two planets and the ratio of radius of the two! planets is K but ratio of acceleration due to gravity of both planets is g. What will be the ratio of their escape velocity? (2) (kg) 12 (4) (kg) 2 75. -1/2 (1) (kg) 2 (3) (kg)?

asked Feb 13, 2020 by balaji.thirumalai

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