JAMB - Physics (1990 - No. 6) | ExamPlay

JAMB - Physics (1990 - No. 6)

A stone of mass m kg is held h meters above the floor for 50s. The work done in joules over this period is

mh

mgh

\(\frac{mgh}{50}\)

O

Paskaidrojums

work = mgh(no motion)

komentāri (0)

Reklāma