Question

(3) 4 N
(4) 1 N
20. A train has 10 wagons each of mass 1000
attached to it. They are being pulled by fore
104 N. Find out force exerted on last four wagon
(1) 4 x 103 N
(2) 4 x 104 N
(3) 5 x 104 N
(4) 5 x 103 N
A retarding force F = -2v is acting on a bodi
mass 10 gram. Find out time taken for its velo​

Answer 1

Answer:

2 option is correct for your question

Answer 2

1) 4*103 N

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