A block is given an initial velocity of 4.00 m/s up a frictionless incline of angle θ = 21.0°. How far up the incline does the block slide before coming to rest?

Answer 1

Vo = 4m/s[21o].
Yo = 4*sin21 = 1.43 m/s. = Ver. component of initial velocity

Y^2 = Yo^2 + 2g*h = 0 @ max htg.
(1.43)^2 - 19.6h = 0
h = 0.104 m.

d = h/sin21 = 0.104/sin21 = 0.291 m. up incline.

Answer 2

How’d u get g, for 19.6?