If a marble is released from a height of 10 m how long would it take for it to hit the ground?
1 answer:
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Answer:
45.6 m at south of west
Explanation:
Let's take the north-south direction as y-direction (with south being positive) and east-west direction as x-direction (with west being positive). Therefore, the two components of Cody's motion are:
- (south)
- (west)
Since they are perpendicular, the magnitude of the net displacement can be calculated by using Pythagorean's theorem:
The direction instead can be measured as follows:
And given the convention we have used, this angle is measured as south of west.