The equation s = d/t is used to calculate the ____________________ of an object
What is Speed
100
Suppose a friend throws two balls to you at the same speed. The second one hits your mitt
with much more force. What can you conclude about the second ball?
What is It has more mass
100
The ________ an object is the product of its mass and velocity.
What is Momentum
100
______ points are needed to determine the position of an object.
What is Reference Points
200
______ is the distance an object travels per unit of time
What is Speed
200
In the equation used to calculate acceleration, Vi stands for ____________________
What is Initial Velocity
200
“Roller coasters scare me, but only when they are accelerating,” a friend says. “Once
they start slowing down, I’m fine.” How would you respond to this statement?
What is It is still accelerating
200
When an object is accelerating, its speed is ______.
What is Changing
200
the total distance an object travels divided by the
time of travel
What is Average speed
300
______ is the speed at a given point in time
What is Instantaneous Speed
300
A car goes from 16 m/s to 2 m/s in 2 s. What is the car’s acceleration
What is -7m/s^2
300
A science book is being pushed across a table. Can the book have a constant speed and a
changing velocity? Explain.
What is Yes. Changing direction
300
a measure of how far an object ha0s moved
What is Distance
300
______ includes the speed of the object and the direction of its motion.
What is velocity
400
__________is the rate of change of velocity
What is Acceleration
400
A freight train has more ____________________ than a car, so it has greater momentum
What is Mass
400
Two people travel from Columbus to Cleveland, one by car at an average velocity of 90 km/h,
and one by plane at an average velocity of 300 km/h. Can their displacements be equal? Explain
What is Yes. Different times
400
the amount of matter in an object
What is Mass
400
An object that is neither speeding up nor slowing down
travels at a ______.
What is Constant Speed
500
Acceleration toward the center of a curved or circular path is called
What is Centripetal Acceleration
500
A person walking covers 5.20 m in 10.4 s. How fast is the person moving
What is .5m/s
500
What is a coordinate system in which the positions of objects can be
measured.
What is Frame of Reference
500
A graph with distance on the vertical axis and time
on the horizontal axis is called a______.
What is distance-time graph
500
A car approaching a red traffic light has a ____________________ acceleration