2.1- Average Speed
How do you calculate average speed?
Calculate: The library is 1.0 km from a student's house. It takes 0.4 h to walk to the library and then back home. What is the student's average velocity in kilometers per hour (km/h)?
What is 0 km/h?
What is a distance- time graph?
what is the graphs that show the comparison of distance over time?
what is force measured in?
what is Newtons?
delivery robot travels 84 m in 28 s. Its average speed is __________.
what is 3 m/s?
A jet airliner flies 4,100 km from New York City to San Francisco in 4.25 h. What is its average speed?
What is 965 km/h?
Identify: Which pair have the same velocity? TEKS 7.7B
a boy walking east at 2 km/h and a man walking east at 4 km/h
a car standing still and a truck driving in a circle at 4 km/h
a dog walking west at 3 km/h and a cat walking west at 3 km/h
a girl walking west at 3 km/h and a boy walking south at 3 km/h
What is a dog walking west at 3 km/h and a cat walking west at 3 km/h
a horizontal line represent ________ on a distance time graph.
What is an object at rest?
A change in velocity requires unbalanced forces. If two forces of 12 N to the right and 7 N left act on a cart, the
net force is __________ N to the __________
what is 5N to the right?
A runner completes two laps of a 300 m track in 4 min 10 s. Total distance = __________ m. Total time
= __________ s. Average speed = __________
what is distance=600m time= 250s, average speed= 2.4m/s?
Which has the greatest average speed? TEKS 7.2C, 7.7A
Which has the greatest Speed?
A boat sailing 80 km in 2 hours
a car driving 90 km in 3 hours
a train traveling 120 km in 3 hours
a truck moving 50 km in 1 hour
What is A truck moving 50 km in 1 hour?
A runner returns to the starting point after one 200 m lap in 50 s. Average speed = __________.
Average velocity = __________.
What is 4m/s and 0 m/s?
the x- axis represent?
what is time?
A crate starts at rest. A student pushes right while friction pushes left with 5 N. To make the crate
accelerate right, the push must be __________ than __________ N
greater than; 5N
what is the formula to calculate velocity?
what is dispacement divieded by time?
A model train moves 18.3 m in 122 s. What is the train’s average speed?
What is .15 m/s?
What is velocity?
What is the speed and direction of a moving object?
the y- axis represents?
what is distance?
A rolling wagon stops against a curb, and a loose toy moves forward. The toy continues moving because
of __________. Explain how this demonstrates Newton's first law.
inertia; the toy is the object so it will stay in motion until acted upon by an unbalanced object.
In a lab setting, what is one lab safety rule you must follow?
answer will vary.
A swimmer completes six pool lengths in a 20 m pool. The first three lengths take 50 s, and the last three take 70 s. Total distance = __________. Total time = __________. Average speed = __________.
What is 120 m, 120 s, and 1.0 m/s?
Velocity must have the _______ in order for us to calculate velocity.
What is the direction?
a steeper line repsresnts?
what is a faster speed?
What is Answer will vary on wording Mrs. Daiker will say correct or not LOL
name 4 elements
answer will vary