sample midterm 2009 - 9.0 km 30 degrees E of S then 8.0 km...

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

View Full Document Right Arrow Icon
Phy 125 Midterm I 10/12/07 Show  all  of your work to receive full credit 1.    A cannon ball is fired  horizontally  from the top of a hill 500m above a level valley. The initial velocity of the cannon ball is 200 m/s. Find: a.   The time the ball is in the air before  hitting the ground in the valley. b.   The horizontal distance  from the cannon to the point the ball hits the  ground. c.   The magnitude  and direction of the velocity of the ball just before it hits the ground. 2.   During a  hike a student proceeds as follows: 6.0 km 45 degrees N of E, then 
Image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 9.0 km 30 degrees E of S, then 8.0 km due W, then 10.0 km 30 degrees W of N. At the end of this hike how far is the student from her starting point? In what direction? [specify angle] 3. Starting from rest a motorist accelerates at 2.00 m/s for 8.00 sec. then goes at constant velocity for 30.0 sec. He then brakes for a red light and stops in 40.0 m. Find: a. The acceleration during braking. [assume constant] b. The total distance covered in the sequence. c. The total time taken from start to stop....
View Full Document

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern