A metal disc slides on a roof with an angle of depression of 30 degrees and has an initial speed of 10 m/s before it leaves the edge of the roof. After 1.5 seconds, the disc hits the ground. If assumed that the air resistance is negligible, how high if the edge of the roof from the ground. What is the speed of the disc the moment it hits the ground?

Answer rating: 100% (QA)

Solution U 10 ms t 158 From equa... View the full answer