Units
What is the metric unit for speed used when finding momentum?
m/s
What is the equation to calculate acceleration?
change in speed / change in time
True or False: Momentum is a vector quantity needing a magnitude and direction.
True
What is another metric unit for mass which is not kilograms?
hectograms, decagrams, grams, decigrams, centigrams, milligrams
Give an example of an object that would have large momentum due to a high velocity.
Many answers of fast paced objects.
What is the metric unit for time used when finding momentum?
seconds
What is the equation to calculate force?
force = mass x acceleration
What is the momentum of a child and wagon moving north if the total mass of the child and wagon is 10 kg and the velocity is 2 m/s?
20 kg x m/s north
What is the mass of a bowling ball that is moving with a momentum of 88 kg x m/s and has a velocity of 22 m/s?
4 kg
Calculate the velocity of a 5 kg skateboard that has a momentum of 10 kg𑁦m/s
2 m/s
What is the metric unit for momentum?
kg x m/s
What is the equation to find momentum?
momentum = mass x velocity
What is the symbol which represents momentum?
p
True or False: Mass is a vector quantity needing a magnitude and direction.
False
True or False: Velocity is a vector quantity needing a magnitude and direction.
True
What is the metric unit for mass used when finding momentum?
kg
What is the equation to find velocity?
velocity = momentum / mass
OR
velocity = distance / time
Calculate the momentum of a 110 kg football player running at 8 m/s.
880 kg x m/s
If two objects with different masses are traveling at the same speed, which object will have more momentum?
The object with the larger mass.
What is a nonmetric unit for speed?
mph
What is the unit to calculate acceleration?
m/s2
What is a way to rearrange the momentum equation to solve for mass or velocity using dimensional analysis?
mass = momentum / velocity
velocity = momentum / mass
Mabel has a mass of 7 kilograms and is moving at a speed of 11 m/s. Ms Murray has a mass of 60 kilograms (skinny legend) and has a velocity of 1 m/s. Who has a greater momentum?
Mabel at 77 kg x m/s
Calculate the mass of a cart that has a momentum of 85 kg𑁦m/s and is moving 5 m/s south.
17 kg
A bowling ball of 8 kg moving south generates 48 kg x m/s units of momentum. What is the velocity of the bowling ball?
-6 m/s or 6 m/s south