Distance and displacement problems- ENR
Vector
A quantity that has magnitude and direction
Scalar
A quantity that has magnitude only.
5km north
Aaron runs 7km north, 4km south, and 2 km north. What is his displacement?
southeast
Benji walks 4 meters south and 3 meters east. What is the direction of his displacement?
10 m, west
Dexter walks 70m east, then 80m west. What is his displacement?
less than
Dexter walks 70m east, then 80m west. When comparing his displacement and distance, his displacement is ________ his distance
10 m
Emma walks 5 meters west, stops by the store, then walks 5 more meters in the same direction. What is her distance?
equal to
Emma walks 5 meters west, stops by the store, then walks 5 more meters in the same direction. When comparing her displacement and distance, her displacement is _________ her distance.
0 km
Glenn runs 4 laps around a .5km track. What is his displacement?
2m east
Jason runs 2m north, 2m east, and then 2m south. What is his displacement?
6m
Jason runs 2m north, 2m east, and then 2m south. What is his distance?
30m east
Jason runs 30m north, 30m east, and then 30 m south. What is his displacement?
10km
Leah walks east for 2km, stops for a break, the runs in the same direction for 3km before she stops. She turns around and runs back to where she started. What is her distance?
6 mi
Liz drives to the library which is 6 mi away. She drives 3mi north, 2mi east, another 3 mi north, and 2 mi west. What is the magnitude of her displacement?
north
Mackenzie faces south and walks backwards ten steps. What will be the direction of her displacement?
5 km south
Marcus rides his bike 10 km south, turns back and stops halfway. His displacement is
12 blocks
Mike does a lap around his neighborhood. His neighborhood is a perfect square and one side is exactly 3 blocks. What is his distance?
10 m, east
Rachel swims from the west side of a 20m pool to the east side. Then she swims back to the other side but stops midway. What is her displacement?
northwest
Serena bikes 100 meters north, 50 meters west, 20 meters south, and 20 meters east. What direction is her displacement?
south
Shannon's house is 4 blocks South from Janet's house. Claire's house is 3 blocks North of Shannon's house. What direction do you have to walk to get to Claire's house from Janet's house?
more than
Stacy walks west for 15 meters and walks east 15 meters. Her distance is ____________ her displacement.
30 m
Stacy walks west for 15 meters and walks east 15 meters. Her distance is...
Displacement
The overall change in position
Distance
The total length traveled
0 blocks
Whitney walks to her aunt's house 5 blocks away and goes back home. She stops by her friends house along the way who lives 4 blocks away from aunt's house. What is Whitney's displacement?
Reference point
a location to which you compare other locations
Relative motion
movement in relation to a frame of reference or someone's point of view
Direction
north,south,east,west,up,down,left,right, etc.