Easy Peasy
What is a reference point?
a point against which direction is measured
Speed is described in what 2 units?
must get BOTH correct
distance and time
What is the formula for speed
S = D/T
All motion is ____________
relative
Miss Rollins
Frame if reference refers to using a reference point to detect ?
motion
the rate at which an object is moving at a given time
What is the formula for distance?
D = S x T
What is also known as vector E?
Resultant Vector
What does sushi translate to?
steamed rice
Distance is a length of the path between how many points?
2
What is average speed? (full definition)
the ratio of the total distance traveled to the total time of the trip
What is the formula for time?
T = D/V (or S for speed)
What is vector quantity? (full definition)
a physical measurement that contains magnitude (number) and directional information
What are all 4 teletubby names?
Tinkie Winkie, Dipsy, Lala, Po
the science of mechanics is the branch of physics that deals with analyzing and understanding objects in motion, the force that applied to those objects, and the energy that exists between them
True or False
True
Your car speedometer displays __________________ speed
instantaneous
Water travels down a waterfall at a rate of 15 per second.
velocity, speed or acceleration
velocity
What is scalar quantity? (full definition)
a physical measurement that contains magnitude (number) and DOES NOT contain directional information
What is the fastest animal on earth?
peregrine falcon
What is displacement (full correct definition ONLY)
The distance an object travels plus the direction from the starting point
Light travels at 299,792, 458. What would this be an example of?
speed
After a skydiver deploys his parachute, his rate of speed increases
acceleration
A soccer ball rolls 12.6 meters in 4.5 seconds. What is the average speed?
2.8 m/s
What is a group of frogs called
an army