1
Motion occurs when an object changes its ____________ relative to a reference point.
What is position
_____________ is the speed of an object at any instant in time.
What is instantaneous speed?
The acceleration toward the center of a curved/circular path
What is centripetal acceleration?
The distance an object travels per unit of time
What is speed?
The speed & direction of an object's motion?
What is velocity?
Causes a projectile to follow a curved path
What is gravity?
The rate of change of velocity
What is acceleration?
Place chosen to compare to determine if something is in motion
What is reference point?
Average speed is found by __________.
What is dividing average distance by average time?
If an object has a constant velocity, then it _____________.
a. has a negative acceleration
b. has an acceleration of zero
c. has a positive acceleration
d. isn't moving
What is b. has an acceleration of zero.
A change in velocity means a change in __________.
What is speed or direction?
The first step in the scientific method.
What is "have a question"?
Submitting your research to a panel of scientists who are studying the same field of study.
What is peer reviewing?
What is the equation for momentum?
P = m x v
What is the equation for acceleration?
a = vf-vi/t
A squirrel runs away from a tree, north, traveling 10 m. It sees a car and then runs west for 11 m. What is the squirrels displacement from the tree?
Hint: can't add or subtract the numbers.
14.8 m
What does the letter "p" stand for in science?
Momentum
If, then statements
134.000 km
Th variable we put on the x - axis when creating a line graph
What is the independent variable?
If a car has a velocity of 40 m/s west and then comes to a stop in 5 s, what is the acceleration in m/s2?
What is 8 m/s2?
A car has a mass of 1,400 kg and is traveling at a speed of 40 m/s. What is the car's momentum?
What is 56,000 kgXm/s?
A bird is flying north with a mass of 2.5 kg and has a momentum of 17.5 kg•m/s. At what velocity is the bird flying?
What is 7 m/s north?
Taylor rides her bike 20 km north, turns around, and then rides the bicycle 15 km towards her starting point. What is here distance traveled? What is her displacement?
What is 35 km & 5 km?
If a swimmer swam 2,400 m in 30 minutes, what is their average speed in m/s?
What is 1.33 m/s?