Physics Cheat Sheet (Back)

Physics Cheat Sheet (Back) - o with respect to the...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
1) A motorist travels at 14 m/s when he sees a deer in the road 37 m away. Maximum negative acceleration is -7 m/s 2 . What is the max. reaction time so he avoids hitting the deer?? V=14m/s X=37 m a= -7 t=? 2) A hockey puck sliding on a frozen lake comes to rest after 200 m. Its initial velocity is 1.2 m/s, what is its acceleration if its assumed constant? How long is it in motion? What is its speed after traveling 146 m? 3) When the initial speed of a cannon ball fired from a battleship is V
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: o with respect to the horizontal its gives a max range R. What is the time of flight T max ? Max Height h max ? Speed Vh max ? max 2 sin45 2 o o V V t g g ° = = 2 2 2 max sin 45 1 2 4 o o V V h g g ° = = max 1 cos45 2 o o Vh V V = ° = 4) How tall is the building? 5) A daredevil jumps a canyon. What is the min. speed to clear the canyon? What is the speed at the other side?...
View Full Document

{[ snackBarMessage ]}

Ask a homework question - tutors are online