Concept 1

SPEED AND VELOCITY A student practicing for a cross country meet runs 250 m in 30 s. What is her average speed.

250/30 8.3 mps

Mali loves to make herself dizzy. She spins around in place 7 times before falling down right where she was standing. Find her distance and displacement.

d=0 displacement=0

Kai swims for the school swim team. He specializes in a backstroke event where he has to swim the 50m length of the pool 3 times. Find the distance and displacement.

d=150m displacement=50

Nicole parks her car at Target and walks 150 ft north to get to the store. On her way back to her car, she walks 50 ft before pausing when she sees a sign for discounted iced coffee at Starbucks. Find her distance and displacement.

d=200 ft displacement- 100 ft North

On the way home from school, Taylor's car runs out of gas. He has to walk 25 m north and 10 m west in order to reach the nearest gas station. find his distance traveled and his displacement from his car.

d=35 m displacement=26.9m NW

Maria is trying to meet her friends at the pool but construction is blocking her path from the parking lot directly to the pool. Because of this, she has to walk 20 ft north, 35 ft eat, and then 20 ft south to get to the pool. Find her distance and displacement.

d=75 ft displacement=35 ft east

PJ likes to ride his bike around the block. If he rides out of his house west, the sidewalk circles his block, and brings him back to his doorstep 0.35 miles later. Find his distance and displacement.

d=o.35 miles displacement- 0 m

What is the velocity of a car that traveled a total of 75 km north in 1.5 hours.

75/1.5 50 km

Stefan has to drive 8 miles south and 3 miles east to get to work. Find his distance and displacement.

8*8+3*3=c 64+9=c 73 d= 11 miles displacement=8.54 miles SE