It takes fifteen minutes to complete a drilling operation using a lathe. the duration of this operation is known as time.

What does the term discrediting mean?

Alead ball is dropped into a lake from a diving board 5m above the water . it hits the water with a certain velocity and then sink with constant velocity in bottom . it reaches the bottom 5 second after it is dropped if g= 10m/s2 . find depth of the lake and average velocity of the ball ?

The least penetrating form of radiation is