Question #6417616Single Choice
Physics
Question
A smooth incline is 40cm long and its incline angle is 30°, and a 2 kg block slides down from the top. What is the time taken for the block to reach the bottom? (Take g = 10 m/s2)
Options
A
0.2 s
B
0.4 s
C
0.8 s
D
0.16 s