Match the scientists given in Column ‘A’ with their inventions in Column ‘B’. (2 Points)

(a) A-4, B—1, C-3, D-2

(b) A-1, B—2, C-3, D-4

(c) A-3, B—4, C-2, D-1

(d) A-2 B—1, C-4, D-1

Alarge box of mass m is pulled across a horizontal frictionless surface by a horizontal rope with tension t. a small box of mass m sits on top of the large box. the coefficients of static and

It is really hard for me right know

2) a cubical block of stone is lowered at a steady rate into the ocean by a crane, always keeping the top and bottom faces horizontal. which one of the following graphs best describes the buoyant force b on this block as a function of time t if the block just enters the water at time t = 0 s?