If a person completes 2 laps on a 400 m track. What is their distance travelled?
800 m
Provide a possible unit for the speed of an object
m/s, ft/s, mi/hr, km/hr, mph, kph
What is the stand unit of measurement for acceleration?
m/s2 or m/s/s
Write Newton's First Law
An object at rest will stay at rest and an object in motion will stay in motion unless acted upon by an outside net force.
What is the formula for momentum?
p = mv
A person completes 2 laps on a 400 m track. What is their displacement when finished?
0 m
An object travels 20 m in 3.8 seconds. Calculate its speed.
5.3 or 5.26 m/s
What does vf stand for in the acceleration equation
Final Velocity
What is the only physical quantity that determines an objects Inertia?
Mass
Calculate the momentum of a 13 kg object that is sitting still.
0 kg m/s
An object's displacement will always be _________ than or equal to the distance travelled.
less
An object traveling at 18.2 m/s travels 250 meters. How long did it take?
13.7 or 13.73 seconds
A car starts from rest and it takes 3.85 seconds to reach 32.5 mi/hr. What is the acceleration of the car?
8.44 m/s2
Write Newton's 2nd law in equation form
F = ma
Calculate the momentum of a 13.2 kg object that is traveling with a velocity of 2.8 m/s.
36.96 or 37 kg m/s
Draw a picture to illustrate the difference between distance and displacement.
Answers will vary
What is the velocity of an object that travels 15 miles north in 0.25 hours?
60 mi/hr north
2 m/s2
A 7.2 kg object accelerates at a rate of 4.2 m/s. What force is acting on it?
A 25 kg object has a momentum of 85 kg m/s. What is its velocity?
3.4 m/s
A vector quantity has both a magnitude and __________
direction
A plane travels 650 km west over the course of 0.85 hours. What is its velocity?
765 km/hr west
What is the acceleration of an object that is moving at 23 m/s and slows down to 10 m/s in a time of 3.2 seconds?
-4.1 m/s2
A hockey stick applies a 15 N force on a puck. What is the reaction force?
The puck also applies a 15 N force on the hockey stick
Two cars are traveling at the same speed. Car 1 is twice as massive as car 2. Compare the momentum of car 1 and car 2.
Car 1 will have twice the momentum of Car 2