A block is projected up a smooth incline with an initial speed of

PHYSICS · Single correct · AP · Physics 1: Algebra-based · Force and Translational Dynamics · Force and Translational Dynamics

Problem

10\,\text{m/s}

. It comes momentarily to rest after

2.0\,\text{s}

. Take

g = 9.8\,\text{m/s}^2

. The angle of inclination of the plane is nearly (a)

60^\circ

(b)

45^\circ

(c)

30^\circ

(d)

15^\circ