These are the two things needed to determine an object's momentum.
What are velocity and mass?
100
This is distance traveled divided by the time taken to travel the distance.
What is average speed?
100
This is the standard unit for acceleration.
What is m/s^2?
100
One difference between speed and velocity is...?
Velocity takes into account the direction of motion, speed does not.
100
What is the difference between distance and displacement?
Distance is the length you traveled, displacement is how far you are from your starting location.
200
This law states when two bodies collide with one another, the total momentum remains constant.
What is the law of conservation of momentum?
200
This takes into consideration both speed and direction.
What is velocity?
200
True or false: an object decreasing its speed is accelerating.
True
200
This when there is no acceleration during a trip.
What is a constant speed?
200
This causes objects to eventually stop after a collision.
What is friction?
300
Which has more momentum a 5 kg bowling ball moving at 2 m/s or a 1 kg tennis ball moving at 12 m/s?
The tennis ball has more momentum.
300
This is a change in either speed or direction.
What is acceleration?
300
These are three things needed to figure out and object's acceleration.
What is final speed, initial speed, and time?
300
This is your speed for a very specific point in time.
What is instantaneous speed?
300
Jason jogs 50 meters north, 25 meters west, 35 meters south, and 20 meters east. What is Jason's displacement?
15 meters north and 5 meters west (really 15.8 meters northwest, for 100 bonus points)
400
Which would be harder to stop: a 40 kg dog going at a speed of 3 m/s or a 6 kg dog going at a speed of 20 m/s?
It would be equally difficult.
400
This is how hard it is to stop an object.
What is momentum?
400
Nadia is going 1 m/s on her tricycle. The dog starts chasing her, and over a period of 12 seconds, she increases her speed to 4 m/s. What is her acceleration?
1/4 m/s^2
400
A runner travels 5 km in 10 minutes. What is the runner's average speed?
.5 km/min
400
In a speed-time graph an horizontal graph line would indicate...?
Speed staying the same or no acceleration.
500
Wanda, who is on rollerskates, has a mass of 50 kg and is going 4 m/s, runs into and grabs Wyatt, who is standing still, has a mass of 60 kg but is also wearing rollerskates. What is their velocity after the collision.
1.8 m/s
500
This is the tendency of an object to resist a change in its motion.
What is inertia?
500
Amanda is driving her car at 30 m/s when she sees a little old lady crossing the street. She slams on her brakes, and manages to come to a stop over a period of 5 seconds (just inches from the little old lady). What is her acceleration?
-6 m/s^2
500
In a velocity-time graph an rising graph line would indicate...?
Speed is increasing.
500
Wanda, who has a mass of 60 kg, ice skates 15 meters in 5 seconds. What is her momentum?