Constant speed. A Data Table Time 0 sec Position 1 meter Velocity = dist/time & direction 1 sec2...
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Transcript of Constant speed. A Data Table Time 0 sec Position 1 meter Velocity = dist/time & direction 1 sec2...
![Page 1: Constant speed. A Data Table Time 0 sec Position 1 meter Velocity = dist/time & direction 1 sec2 meters1 m/s to right 2 sec3 meters1 m/s to right 3 sec4.](https://reader036.fdocuments.us/reader036/viewer/2022062423/5697c01e1a28abf838cd155f/html5/thumbnails/1.jpg)
Constant speed
![Page 2: Constant speed. A Data Table Time 0 sec Position 1 meter Velocity = dist/time & direction 1 sec2 meters1 m/s to right 2 sec3 meters1 m/s to right 3 sec4.](https://reader036.fdocuments.us/reader036/viewer/2022062423/5697c01e1a28abf838cd155f/html5/thumbnails/2.jpg)
A Data Table
Time
0 sec
Position
1 meter
Velocity
= dist/time & direction
1 sec 2 meters 1 m/s to right
2 sec 3 meters 1 m/s to right
3 sec 4 meters 1 m/s to right
constant velocity
![Page 3: Constant speed. A Data Table Time 0 sec Position 1 meter Velocity = dist/time & direction 1 sec2 meters1 m/s to right 2 sec3 meters1 m/s to right 3 sec4.](https://reader036.fdocuments.us/reader036/viewer/2022062423/5697c01e1a28abf838cd155f/html5/thumbnails/3.jpg)
Position-Time Graphs
Dis
tanc
e in
Fee
t
Time in Seconds0 1 2 3 4 5 6 7 8 9
40
120
160
200
80
Describes the Rate of Change in Position of an Object Over Time
Distance (ft) Vs. Time (sec.)
![Page 4: Constant speed. A Data Table Time 0 sec Position 1 meter Velocity = dist/time & direction 1 sec2 meters1 m/s to right 2 sec3 meters1 m/s to right 3 sec4.](https://reader036.fdocuments.us/reader036/viewer/2022062423/5697c01e1a28abf838cd155f/html5/thumbnails/4.jpg)
Position-Time Graph
Dis
tanc
e in
Fee
t
Time in Seconds0 1 2 3 4 5 6 7 8 9
40
120
160
200
80
Distance (ft) Vs. Time (sec.)
The Slope of this Line Remains Constant Throughout the Graph
The constant slope indicates that the speed of the object remains constant
![Page 5: Constant speed. A Data Table Time 0 sec Position 1 meter Velocity = dist/time & direction 1 sec2 meters1 m/s to right 2 sec3 meters1 m/s to right 3 sec4.](https://reader036.fdocuments.us/reader036/viewer/2022062423/5697c01e1a28abf838cd155f/html5/thumbnails/5.jpg)
Position-Time Graph
Dis
tanc
e in
Fee
t
Time in Seconds0 1 2 3 4 5 6 7 8 9
40
120
160
200
80
The Speed of This Object
Changes Over Time
Distance (ft) Vs. Time (sec.)
B
C
A
Speed @C = 50 ft/secSpeed @A = 5 ft/sec Speed @B = 24 ft/sec
The Object is Accelerating
VelocitySlope
![Page 6: Constant speed. A Data Table Time 0 sec Position 1 meter Velocity = dist/time & direction 1 sec2 meters1 m/s to right 2 sec3 meters1 m/s to right 3 sec4.](https://reader036.fdocuments.us/reader036/viewer/2022062423/5697c01e1a28abf838cd155f/html5/thumbnails/6.jpg)
Changes in Velocity
25 m/s, downward
10 m/s, downward
25 meters per second, 45 degrees upward
25 meters per second, 45 degrees downward
Velocity changesin both these cases.
![Page 7: Constant speed. A Data Table Time 0 sec Position 1 meter Velocity = dist/time & direction 1 sec2 meters1 m/s to right 2 sec3 meters1 m/s to right 3 sec4.](https://reader036.fdocuments.us/reader036/viewer/2022062423/5697c01e1a28abf838cd155f/html5/thumbnails/7.jpg)
Interpret The Graph Below:
![Page 8: Constant speed. A Data Table Time 0 sec Position 1 meter Velocity = dist/time & direction 1 sec2 meters1 m/s to right 2 sec3 meters1 m/s to right 3 sec4.](https://reader036.fdocuments.us/reader036/viewer/2022062423/5697c01e1a28abf838cd155f/html5/thumbnails/8.jpg)
Balanced vs Unbalanced forces
![Page 9: Constant speed. A Data Table Time 0 sec Position 1 meter Velocity = dist/time & direction 1 sec2 meters1 m/s to right 2 sec3 meters1 m/s to right 3 sec4.](https://reader036.fdocuments.us/reader036/viewer/2022062423/5697c01e1a28abf838cd155f/html5/thumbnails/9.jpg)
Momentum*Depends on what two things?
a. Massb. Velocity
P = mv
Units – kg. m/s, direction
![Page 10: Constant speed. A Data Table Time 0 sec Position 1 meter Velocity = dist/time & direction 1 sec2 meters1 m/s to right 2 sec3 meters1 m/s to right 3 sec4.](https://reader036.fdocuments.us/reader036/viewer/2022062423/5697c01e1a28abf838cd155f/html5/thumbnails/10.jpg)
![Page 11: Constant speed. A Data Table Time 0 sec Position 1 meter Velocity = dist/time & direction 1 sec2 meters1 m/s to right 2 sec3 meters1 m/s to right 3 sec4.](https://reader036.fdocuments.us/reader036/viewer/2022062423/5697c01e1a28abf838cd155f/html5/thumbnails/11.jpg)
1. Two hockey players, big Joe and little Tim collide head on and get tangled while going for the puck. 65 kg Tim was travelling at 9.5 m/s while 105 kg Joe was moving at 5.2 m/s.Who will go in which direction, and what is their momentum before the collision?
![Page 12: Constant speed. A Data Table Time 0 sec Position 1 meter Velocity = dist/time & direction 1 sec2 meters1 m/s to right 2 sec3 meters1 m/s to right 3 sec4.](https://reader036.fdocuments.us/reader036/viewer/2022062423/5697c01e1a28abf838cd155f/html5/thumbnails/12.jpg)
Interpret The Graph Below:
![Page 13: Constant speed. A Data Table Time 0 sec Position 1 meter Velocity = dist/time & direction 1 sec2 meters1 m/s to right 2 sec3 meters1 m/s to right 3 sec4.](https://reader036.fdocuments.us/reader036/viewer/2022062423/5697c01e1a28abf838cd155f/html5/thumbnails/13.jpg)
Interpret The Graph Below:
![Page 14: Constant speed. A Data Table Time 0 sec Position 1 meter Velocity = dist/time & direction 1 sec2 meters1 m/s to right 2 sec3 meters1 m/s to right 3 sec4.](https://reader036.fdocuments.us/reader036/viewer/2022062423/5697c01e1a28abf838cd155f/html5/thumbnails/14.jpg)
Interpret The Graph Below:
![Page 15: Constant speed. A Data Table Time 0 sec Position 1 meter Velocity = dist/time & direction 1 sec2 meters1 m/s to right 2 sec3 meters1 m/s to right 3 sec4.](https://reader036.fdocuments.us/reader036/viewer/2022062423/5697c01e1a28abf838cd155f/html5/thumbnails/15.jpg)
![Page 16: Constant speed. A Data Table Time 0 sec Position 1 meter Velocity = dist/time & direction 1 sec2 meters1 m/s to right 2 sec3 meters1 m/s to right 3 sec4.](https://reader036.fdocuments.us/reader036/viewer/2022062423/5697c01e1a28abf838cd155f/html5/thumbnails/16.jpg)
AccelerationAcceleration
a= v/t a= v/t a=acceleration,v=velocity a=acceleration,v=velocity =change, t=time =change, t=time
*Change in velocity divided by the time *Change in velocity divided by the time interval in which the changed occurredinterval in which the changed occurred
Units - m/s2, direction
![Page 17: Constant speed. A Data Table Time 0 sec Position 1 meter Velocity = dist/time & direction 1 sec2 meters1 m/s to right 2 sec3 meters1 m/s to right 3 sec4.](https://reader036.fdocuments.us/reader036/viewer/2022062423/5697c01e1a28abf838cd155f/html5/thumbnails/17.jpg)
A missile was released from an airplane at the velocity of 78 km/hr south and ended up traveling at a velocity of 104 km/hr south. It took the missile 1 hour to reach the target. Find the missile’s acceleration.
1.What do they want to know?2. Which formula do I use.3. Plug in the numbers.
![Page 18: Constant speed. A Data Table Time 0 sec Position 1 meter Velocity = dist/time & direction 1 sec2 meters1 m/s to right 2 sec3 meters1 m/s to right 3 sec4.](https://reader036.fdocuments.us/reader036/viewer/2022062423/5697c01e1a28abf838cd155f/html5/thumbnails/18.jpg)
A dog runs with an initial speed of 1.5 m/s on a waxed floor. It slides to a stop with an acceleration of -.35 m/s2 . How long does it take for the dog to stop?
![Page 19: Constant speed. A Data Table Time 0 sec Position 1 meter Velocity = dist/time & direction 1 sec2 meters1 m/s to right 2 sec3 meters1 m/s to right 3 sec4.](https://reader036.fdocuments.us/reader036/viewer/2022062423/5697c01e1a28abf838cd155f/html5/thumbnails/19.jpg)
A football player likes to practice knocking the other players of their feet. He has a mass of 624.8 kg and created a momentum of 3124 kg. mph as he flatten a teammate. What was his velocity when he hit his teammate?
1.What do they want to know?2. Which formula do I use.3. Plug in the numbers.
![Page 21: Constant speed. A Data Table Time 0 sec Position 1 meter Velocity = dist/time & direction 1 sec2 meters1 m/s to right 2 sec3 meters1 m/s to right 3 sec4.](https://reader036.fdocuments.us/reader036/viewer/2022062423/5697c01e1a28abf838cd155f/html5/thumbnails/21.jpg)
ForceCause of acceleration, or change
in an object’s velocity
F = ma, units – N, newtons1 newton = .225 lb
![Page 22: Constant speed. A Data Table Time 0 sec Position 1 meter Velocity = dist/time & direction 1 sec2 meters1 m/s to right 2 sec3 meters1 m/s to right 3 sec4.](https://reader036.fdocuments.us/reader036/viewer/2022062423/5697c01e1a28abf838cd155f/html5/thumbnails/22.jpg)
![Page 23: Constant speed. A Data Table Time 0 sec Position 1 meter Velocity = dist/time & direction 1 sec2 meters1 m/s to right 2 sec3 meters1 m/s to right 3 sec4.](https://reader036.fdocuments.us/reader036/viewer/2022062423/5697c01e1a28abf838cd155f/html5/thumbnails/23.jpg)
Net force
Combination of all of the forces acting on an object
![Page 24: Constant speed. A Data Table Time 0 sec Position 1 meter Velocity = dist/time & direction 1 sec2 meters1 m/s to right 2 sec3 meters1 m/s to right 3 sec4.](https://reader036.fdocuments.us/reader036/viewer/2022062423/5697c01e1a28abf838cd155f/html5/thumbnails/24.jpg)
![Page 25: Constant speed. A Data Table Time 0 sec Position 1 meter Velocity = dist/time & direction 1 sec2 meters1 m/s to right 2 sec3 meters1 m/s to right 3 sec4.](https://reader036.fdocuments.us/reader036/viewer/2022062423/5697c01e1a28abf838cd155f/html5/thumbnails/25.jpg)
Gravity & Friction Gravity Attraction of two particles of matter due to
their mass Mass & Distance effects it 9.8 m/s2
Friction Force between two objects in contact that
opposes the motion of either object
![Page 26: Constant speed. A Data Table Time 0 sec Position 1 meter Velocity = dist/time & direction 1 sec2 meters1 m/s to right 2 sec3 meters1 m/s to right 3 sec4.](https://reader036.fdocuments.us/reader036/viewer/2022062423/5697c01e1a28abf838cd155f/html5/thumbnails/26.jpg)
Explain what is happening
![Page 27: Constant speed. A Data Table Time 0 sec Position 1 meter Velocity = dist/time & direction 1 sec2 meters1 m/s to right 2 sec3 meters1 m/s to right 3 sec4.](https://reader036.fdocuments.us/reader036/viewer/2022062423/5697c01e1a28abf838cd155f/html5/thumbnails/27.jpg)
Weight Elevator
![Page 28: Constant speed. A Data Table Time 0 sec Position 1 meter Velocity = dist/time & direction 1 sec2 meters1 m/s to right 2 sec3 meters1 m/s to right 3 sec4.](https://reader036.fdocuments.us/reader036/viewer/2022062423/5697c01e1a28abf838cd155f/html5/thumbnails/28.jpg)
Is your weight the same on earth as it is on the moon?
Is your mass the same on earth as it ison the moon?
![Page 29: Constant speed. A Data Table Time 0 sec Position 1 meter Velocity = dist/time & direction 1 sec2 meters1 m/s to right 2 sec3 meters1 m/s to right 3 sec4.](https://reader036.fdocuments.us/reader036/viewer/2022062423/5697c01e1a28abf838cd155f/html5/thumbnails/29.jpg)
Mr. Dovzak