This question requires a numeric or algebraic? Answer. In order to receive full

Question

This question requires a numeric or algebraic? Answer. In order to receive full credit for this problem, you must show all your work. To show your work for this problem, you may scan neatly handwritten work or type up your work in MS Word using the equation editor and submit it using the Final Exam Dropbox. You should make your submissions after you complete the exam. A pinecone falls straight down from a pine tree growing on a 20 degree slope. The pinecone hits the ground with a speed of 10 m/s. What are the components of the pinecone's impact velocity parallel and perpendicular to the ground?

Explanation / Answer

Pinecone falls down straight from pine tree angle 20 and pinecone hits group with speed 10m/s.

Here, angle is 20 and velocity 10 m/s.

a) when component parallel to ground is

= 10m/s × sin20

= 10 × 0.342

= 3.42m/s.

b) when component perpendicular to the ground is

= 10m/s × cos20

= 10m/s × 0.939

= 9.39m/s.

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