Me
question 1 (1 point)

when reporting the speed, we need to include the value, units and direction the object was traveling.

true

false

question 2 (1 point)

when reporting the velocity of an object, we need to include the value, the units and the direction the object was traveling.

true

false

question 3 (1 point)

an object travels 10 meters to the right and 7 meters to the left, what distance has it traveled?

17

17 meters

3

3 meters

question 4 (1 point)

an object travels 5 meters to the north and 7 meters south, what was its total displacement?

2 meters

2 meters south

12 meters

12 meters north

question 5 (1 point)

an object travels 10 meters to the right before reversing direction and going 13 meters to the left. jenny reported its displacement as 3 meters, but she was not correct. what did she do wrong?

she reported the distance instead of the displacement.

she forgot to include the units.

she did not give the direction as either left, or negative.

she did not do anything wrong.

question 6 (1 point)

a car travels 5 miles north and then 2 miles south in 1/4 hour. what was its average speed?

7 mph

3 mph

28 mph

14 mph

question 7 (1 point)

a car travels 5 miles north and then 2 miles south in 1/4 hour. what was its average velocity?

28 mph

12 mph

12 mph south

12 mph north

question 8 (1 point)

mya is running an experiment to determine if a car with large tires will move faster than a car with small tires. her ramp is 0.75 meters long. she recording the following times on each of her trials: trial 1: 2.5 seconds, trial 2: 2.75 seconds, trial 3: 2.98 seconds. what was the average speed of her car?

2.74 m/s

3.7 m/s

0.27 m/s

2.7

question 9 (1 point)

data that is accurate, is data that is really close to the actual value, but data that is precise is data that is repeated over and over again.

true

false

question 10 (1 point)

accuracy and precision mean the same thing.

true

false