Class
14:
Friday!!!
9/25/2020 Warm Up: Back to normal

Class
13:
Thursday,
9/24/2020 No Warmup

Class
12:
Wednesday,
9/23/2020 No Warmup

Class
11:
Tuesday,
9/22/2020 No Warmup

Class
10:
Monday,
9/21/2020 Warm Up: 1. The position vs. time graph on the right is intended to show two intervals of constant acceleration. Find the approximate values of those two accelerations. 2. If we have time, sketch an acceleration vs. time graph of a pedestrian's left foot.

Class
9
Friday,
9/18/2020 Warm Up: Mr. Chase pointed out that there are 9 types of motion. This is based on the fact that Velocity can be +, , or 0, and acceleration can also be +, , or 0. This video of a springbound object oscillating on an air track demonstrates 8 out of these 9 types of motion. 1. Identify where in the video each of those 8 types of motion occurs. 2. Which type of motion is not demonstrated?

Class
8
Thursday,
9/17/2020 Warm Up: What would the graphs look like if you graphed acceleration for these event #2? We are only doing #2 together, but try the rest if you want. My answers  Note that my total areas under the curve for 1 and 2 should be zero, but they're not. I should redo them some day. 1. A PE student runs from one end of the gym to the other and back (wall to wall) as fast as possible. 2. A basketball is dropped from high above a gym floor and bounces back up until its velocity reaches zero. 3. A skydiver steps out of a plane, begins to fall, opens a parachute, falls some more, and hits the ground. [Assume all motion is vertical.] 4. How would you use dimensional analysis to convert 4m/s to mph? Mathematically speaking, why does dimensional analysis work?

Class
7
Wednesday,
9/16/2020 Warm Up: Match each position vs. time graph with the correct velocity and acceleration graph.

Class
6 Tuesday,
9/15/2020 Warm Up: Sketch a graph of acceleration vs. time for a suction cup Nerf dart that is shot at a wall. Start your graph just before the dart begins to move, and end it just after the dart stops.

Class
5 Monday,
9/14/2020 Warm Up: In the physics world, an object is in "freefall" as long as gravity is the only force acting on that object. The object may freefall upward or downward. Near the Earth's surface, the acceleration of freefalling objects due to gravity is approximately 9.8m/s^{2}. Consider the case of this ball. At t = 0s, the ball is freefalling directly upward with a speed of 20m/s. Sketch graphs of the ball's position, velocity, and acceleration (vs. time) over the next 4 seconds. [For simplicity, use g =10m/s^{2} instead of g = 9.8m/s^{2}]

Class
4 Friday!!!!,
9/11/2020 Warm Up: 1. For letter a, on the right describe what an object could be doing in order to have both positive velocity and positive acceleration. 2. Do the same for the rest of the letters.

Class
3 Thursday,
9/10/2020 Warm Up: Use the velocity vs time graph on the right to sketch: a position vs. time graph.

Class
2 Wednesday,
9/9/2020 Warm Up: For each letter, describe what is happening to the person's speed and direction during the 10 seconds represented on the graph.

Class
1: Tuesday,
9/8/2020 Physics 200: Mr. Stapleton Warm Up: Spin one of the "sprotating cylinders" by pressing one end until it squirts out from under your finger. Try pressing the other end. When the cylinder is spinning, why do you only see the symbol that you press? Today:
