Question

A block placed at the bottom of a rough inclined plane
is projected up the plane with some initial speed.
Coefficient of friction between block and the plane is u.
Block moves up the plane and comes to rest after time
1,. Then it again starts sliding down and reaches the
bottom in further time tz.
1 point
Calculate retardation of block during upward
motion.
(a) g sin - ug cos e (6) g sin + ug cos 8
(c) gcos - ugsino (d) g cos + ug sino
ОА
В B.​

Answer 1

Answer:

g sin-ug cos e is the answer