Motion
What is Motion?
Change in position relative to a reference point.
Measure length of path and object took
Name two vector quanities?
Displacement, Velocity, Acceleration, Force
What does velocity have?
What are the 4 fundemental forces?
Gravity, Weak Energy, Electromagnetism, Strong Energy
Objects change in position relative to a reference point
What is distance measured in?
Meters
Anything that needs a direction
How fast something is going in a direction
Name the forces from weakest to strongest.
Gravity, Weak Energy, Electromagnetism, Strong Energy
If a car can go from 0 to 60mi/hr in 8.0 seconds, what would be its final speed after 5.0 seconds if its starting speed were 50 mi/hr?
VF = 87.5 mi/hr
What is Dispacement?
A cart rolling down an incline for 5.0 seconds has an acceleration of 40m/s/s. If the cart has a beginning speed of 2.0m/s, what is its final speed?
VF = 22m/s
A parachite on a racing dragster opens and changes the speed of the car from 85m/s to 45m/s in a periods of 4.5 seconds. What is the acceleration of the dragster?
A = 9m/s/s