Homework - 10/4/10

A cannon is aimed at a building with an angle of 35 degrees as shown above (it's ok to feel jealous of my Paint skills). The cannon is placed 516 meters from the base of the building. If the cannon ball is fired with an initial speed of 100 m/s, determine the following quantities:

a. How high up on the building will the cannon ball land?

b. What is the cannon ball's velocity just before it strikes the building?

Assume that air resistance is negligible and ignore the initial height of the cannon.

Free Response Review - Chapter 1

The motion graph represents a car on a straight-line track.
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(a) Describe what happened to the car at t = 1s.
(b) When is the car accelerating the most? Explain how you know.
(c) What is the car's acceleration during that interval?
(d) How far did the car travel between t = 5s to t = 7s?
(e) Plot the car's acceleration versus time.

Chapter 1 Review

Remember: If you can't see the image, click on it to view in another window.

1. For each of the motion graphs shown above, describe, in detail, what the motion would look like.

2. For each x-t graph shown above, create the corresponding velocity and acceleration versus time graphs.

3. For each v-t graph shown above, create the corresponding x-t graph.

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4. At a local football game (let's just say Carrick), a running back flattens a linebacker and continues running at a constant velocity of 10.5 m/s. The instant the linebacker hits the ground, he gets back up and starts running from rest to tackle the running back. If the linebacker accelerates at 1.9 m/s^2, how much time will it take to catch the runner? How far will they have traveled from their original position?