Problem Solving
Jaden travels 300 km in 5 hrs. Find his average speed in km/h
60 km/h
The process of changing postion
What is motion?
Speed in a specific direction
What is velocity?
True or False: All moving objects have momentum
True
A place or object used for comparison to determine if another object is in motion is called a
What is a frame of reference point
How many meters are in a kilometer?
1000
What is the formula for velocity?
Velocity = Distance/Time (with a direction)
Momentum = ______________ X Velocity
Mass
When you describe something that is moving, you are comparing it with something that is assumed to be.....
Stationary
What is acceleration?
The rate of change of velocity.
What is distance, time, direction.
What variables must be known to calculate an object´s velocity?
The momentum of a moving object can be transferred to a stationary object when the 2 objects _____________
collide
Mrs. Allison drives her Ferrari for 400km at an average speed of 80km/h. How long was her journey?
5 hours
True or False: There is no reference that is truly not moving
Decrease in acceleration is called ________ and it is a _________ number
A race car is traveling 300 miles in 2 hours. Is this enough information to tell a car´s velocity? Why or why not?
no, the car´s direction of motion is not given
The total momentum of objects before they collide and after they collide must be the ___________
Same
An alien moved south in its spacecraft for 2km for 20 seconds. What was the speed of the spacecraft in meters per second.
100 meters/seconds
The formula for speed is
speed = distance/time
Final and original
An object in __________ motion is acclerating even though the its speed may be constant because it is changing _____________ or velocity
circular and direction
If one object speeds up after it collides with another object, the other object must ________
slow down