Speed
Units for speed?
distance/time, m/s, mph, etc.
Define the difference between speed & velocity.
Velocity is speed with a direction
Units for acceleration?
m/s/s, or m/s2
True or false? Motion is measured by distance & time.
True
Acceleration due to Earth's gravity?
9.81 m/s/s
A car travels 100 meters in 50 seconds; what is its speed?
2 m/s
Units for velocity?
distance/time, m/s, mph, etc. plus direction (north, northwest, etc.)
Negative acceleration can also be called...
Deceleration
The attractive force between all objects in the universe is called...
Gravity
The most common frame of reference is?
Earth!
Speed that does not change is called _______ speed.
Constant
176 miles to the west were covered in 8 hours. Velocity?
22 mph west
Define acceleration.
The rate of change in velocity.
What's Ebnet's favorite Khalid song?
Motion
Name the fast cartoon mouse.
Speedy Gonzalez
True or false? Movement can be measured only with reference to something that is assumed to be fixed in place.
True (frame of reference). e.g. throwing a baseball from a truck...
How far away from its starting point would a truck be in 3 hours if its average velocity was 100 km/hr to the north?
300 km
True or false? A distance-time graph for acceleration is always a curved line.
True
Name the movie in the which the bus cannot slow down or it will explode.
Speed
The object or point from which movement is determined is called a ______ __ ____________.
Frame of reference
There is a change in speed or direction; are the forces present balanced or unbalanced?
Unbalanced
Near the surface of the Earth, acceleration due to gravity is 9.8 m/s/s. After falling for 5 seconds, an object would have a velocity of?
49 m/s
Centripetal acceleration is...
Acceleration toward the center of a circular path
Equation for momentum?
Mass x Velocity
Name the movie with this quote: "I feel the need, the need for speed."
Top Gun