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Grail
Questions (3)
From the top of a hill 700 ft. high, an observer notes that the angles of depression of two successive markerstones on a level
1 answer
522 views
compute the least acceleration with which a man of mass 75 kg can slide down a rope which can sustain a weight of 580 N
1 answer
894 views
An automobile travels at the rate of 25 m/s for 5 minutes, then at 30 m/s for 10 minutes, and finally at 10 m/s for 2 minutes.
1 answer
427 views
