Definitions
A quantity that is defined by magnitude only.
What is a scalar?
A segment of a position vs time graph of an object that is not moving.
What is a horizontal line?
The displacement of a person who walks 50 m north and then turns around and walks 30 m south.
What is 20 m north?
The speed of a bicyclist in a time trial who starts the race by accelerating at 15 m/s2 for 20 s.
What is 300 m/s?
The number of meters in 1 km.
What is 1000 m?
This type of quantity has both magnitude and direction.
What is a vector?
A segment of a velocity vs time plot that shows constant velocity.
What is a horizontal line?
The velocity of an object that moves 50 m in 10 s.
What is +5m/s?
The distance the car travels as it accelerates uniformly from 30 m/s to 50 m/s in 15 s.
What is 600 m?
The number of centimeters in 6.00 inches, assuming 2.54 cm = 1 in.
What is 15.2 cm
A vector quantity that refers to the overall change in an object's position.
What is Displacement?
A segment of a position vs time graph that represents an object moving at a constant velocity.
What is a straight line?
The acceleration of a car that goes from 40 m/s to 50 m/s in 5 seconds.
What is 2m/s2?
The acceleration of an arrow that leaves a bow with a velocity of 500. m/s after moving a distance of 1.00 m.
What is 125,000 m/s2?
The number of m in 2.70 ft (1 in = 2.54 cm).
What is 0.822 cm?
An object that is being acted upon only by the force of gravity.
What is free fall?
A segment of a velocity vs time graph showing an object that is slowing down.
What is a line or curve with negative slope?
The speed of a person who walks 500 m in 360 seconds.
What is 1.4 m/s?
The time for a ball to fall to the floor when dropped from a height of 1.5 meters, assuming earth's acceleration due to gravity of 9.8 m/s2.
What is 0.55 m/s?
The number of hours are in a year, using 365 days in a year.
What is 8760 hr?
Designated by a positive or negative sign on a vector quantity.
What is direction?
A segment of a position vs time graph for an object that is accelerating.
What is anything other than a straight line?
The speed in m/s of a car driven 600 miles in 12 hours, assuming 0.62 miles in 1km.
What is 22 m/s?
The speed of a rocket that accelerates vertically at 1.6 m/s2 for 24 s.
What is 38.4 m/s
The number of km/hr equivalent to 5 m/s.
What is 18 km/hr?