Question

Mary saw a ship travelling on a
sea. She knows that iron nail sinks
in water. She has many doubts,
what are her doubts? Write them.​

Answer 1

Explanation:

Two trains are each 50 m long moving parallel towards

each other at speed 10 m/s and 15 m/s respectively. At

what time will they pass each other:

2

(a) 5

(b) 4 sec

V 3

(c) 2 sec

(d) 6 sec ?

sec

Answer 2

Answer:

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