1
What is the correct unit for speed?
m/s (meters per second)
What is the equation for speed?
S=D/T
A boy jogs 250 Meters in 110 seconds. What is his average speed in m/s?
2.27 m/s
_______ is the speed and direction of an object?
Velocity
What is Mrs. Morrisroe's favorite subject in school?
SCIENCE!
What is the difference between speed and velocity?
Velocity also has direction. Speed does not.
What is the equation for Distance?
D= S*T
It takes a freight train 2.3 seconds to move 26 meters. Calculate its average speed.
11.3 m/s
_______ speed is the total distance an object travels divided by time.
Average
•A dog trots for 5 seconds and travels 10 meters. What is her average speed?
2m/s
Jane runs a 100 Meter race in 8 seconds. What was her average speed?
12.5 m/s
What is the equation for Time?
T=D/S
What is the acceleration of a toy car that starts from rest and has a speed of 0.12 m/s after 0.1 seconds?
1.20 m/s2
If a car's speed increases form 18 m/s to 26 m/s in 15 s, its acceleration is?
0.53 m/s2
•What is the acceleration of a fighter jet if it was clocked traveling at a speed of 200 m/s, 25 seconds after it took off from the airport?
8m/s2
What is the equation for Acceleration?
(VF-VI/T) (final velocity- initial velocity/ time)
A soccer ball rolls 12.6 meters in 4.5 seconds. Calculate the average speed?
2.8 m/s
s=d/t
If an object moves at a constant speed and is accelerating, its _____ of travel must be changing.
Direction
A car's speedometer displays the ____ speed of the vehicle.
__________ is the rate at which velocity changes
Acceleration
The object is sowing down
Who is Mrs. Morrisroe's Favorite NFL football team?
New York Giants!
____________ is the rate at which an object changes position?
Speed
When a runner increases her speed form 75 m/s to 115 m/s in 25 s, her acceleration is?
1.6 m/s2
What is the acceleration of an object that has a mass of 4.0 kg if the net force acting on it is 26 N?
A= Net Force / Mass
A= 26/ 4.0=6.5 m/s2