No. 8
Latihan Sumatif Soalan 8
Sebiji guli bergerak dari keadaan rehat di sepanjang garis lurus pada masa saat selepas melalui titik tetap dengan halaju,
A marble starts from rest and moves along a straight line at time seconds after passing a fixed point , with its velocity, , given by .
(a) Hitung halaju guli itu, dalam , apabila . (a) Calculate the velocity of the marble, in when .
(b) Cari pecutan guli itu, dalam apabila . (b) Calculate the acceleration of the marble when .