velocity
acceleration
momentum
speed
distance
100
speed in a given direction
Velocity
100
change in velocity over time
acceleration
100
mass x velocity
momentum formula
100
what is the speed of an object that is moved 10m in 5 seconds?
2m/s
100
distance and direction of an objects change in position from the starting point
distance
200
Which of the following is a measure of velocity?
A. 30
B. 30 South
C. 30 m/s
D. 30 m/s, South
C. 30 m/s south
200
acceleration formula
Final Velocity – Initial Velocity/ Time
200
the product of an object's mass and velocity
momentum
200
total distance divided by total time
Average Speed
200
Distance with direction between start and finish.
displacement
300
A 1,400-kilogram car is also traveling in a straight line. Its momentum is equal to that of the truck in the previous question. What is the velocity of the car?
v = 28.6 m/s
300
A ball is dropped from the top of a building. After 2 seconds, it’s velocity is measured to be 19.6 m/s. whats the ball acceleration.
9.8 m/s²
300
A 1-kilogram turtle crawls in a straight line at a speed of 0.01 m/sec. What is the turtle’s momentum?
p= 0.01 kg m/s
300
Speed is the ratio of the distance an object moves to
the amount of time needed to travel the distance.
300
Suppose it takes a plane 5 hours to travel from Philadelphia to San Francisco. It travels at an average speed of 500 miles per hour. What is the distance between the two cities?
2500 miles
400
If a ferrari, with an initial velocity of 10 m/s, accelerates at a rate of 50 m/s2 for 3 seconds, what will its final velocity be?
160m/s
400
In which of the following conditions does the car not accelerate?
a. A car moves at 80 km/h on a flat, straight highway
b. the car turns a corner
c. the car slows down from 80 km/h to 35 km/h
d. the car speeds up from 35 km/h to 80 km/h
a. A car moves at 80 km/h on a flat, straight highway
400
an object with a mass of 146 kg is moving to the right with a velocity of 17 m/s. Calculate the momentum of the object.
2482 kg m/s
400
What does this graph represent?
constant speed
400
What does the strength of gravity between two objects depend upon?
mass and distance
500
A person walks 1 mile every day for exercise, leaving her front porch at 9:00 A.M. and returning to her front porch at 9:25 A.M. What is the total displacement of her daily walk?
0
500
What is the acceleration of a car that travels in a straight line at a constant speed?
0
500
What is conserved when two objects collide in a closed system?
momentum
500
A distance-time graph indicates that an object moves 100 m in 4 s and then remains at rest for 1 s. What is the average speed of the object?
20m/s
500
Which distance can be most accurately measured with a ruler?
a. the length of a river
b. the width of a book
c. the distance between two cities
d. the size of an object under a microscope
b. the width of a book