Motion
The object or point from which movement is determined
-frame of reference
A person runs 200 meters southwest in 20 seconds, what is the velocity of the person?
10 m/s southwest
Definition of Displacement
1. Unit time is measured in (at least two)
2. Formula for time
1. seconds, hours
2. distance divided by speed
Definition of Distance
-How far an object has traveled
A ____________ quantity has magnitude only. Such as: time, distance or speed.
-scalar quantity
A car traveled 300 miles in 4 hours. How fast was the car driving?
75 miles per hour
A man runs around a 400m track once, and then stops at the 100m mark again. What is his displacement?
100m
How long would it take for a Elyza to travel the distance of 200 kilometers to another candy store if she is traveling at a speed of 50 km/hr?
4hr
. A plane traveled for about 2.5 hours at a speed of 1,200km/hr. What distance did it travel?
3,000 km
___________ quantity has both a magnitude and a direction. Such as: velocity
-vector quantity
Speed is how fast an object is traveling. Velocity is the speed of an object in a certain direction.
-The difference between these two terms is that speed is ____________________________________ and velocity is a _______________________________________.
scalar, vector
Justice walks 10 miles north then walks 4 miles east then walks 10 miles south. What is her displacement?
4 miles east
Calculate the acceleration of a bike with a starting velocity of 8 m/s, slowing to a velocity of 2 m/s, with a time of 3 seconds
-2 m/s/s
Formula for distance
-Speed multiplied by time
Four cardinal directions
North, South, East, West
In a distance-time graph what is measured?
-Speed, position on an object, various
Your dog walks 300 meters in a circle and comes back to the same spot. What is the dog’s displacement?
zero
A soccer player is running at 6 m/s. He stumbles over another player's foot, he falls and rolls to a stop. This took 4 seconds. What was his acceleration?
-1.5 m/s/s
James walked 9 miles west, then walked 5 miles south, then walked 2 miles east and finally walked 6 miles north. What distance did James travel?
22 miles
Define Motion
Change in position or various answers
Speed can be measured in which units?
A cat walked 5 meters south then walked 3 meters east. The cat then walked 5m North What is the cat’s displacement?
3m East
Formula for acceleration
velocity final minus velocity initial divided by time
Units distance is measured in (at least 2)
-miles, meters, kilometers