Momentum
Equation for momentum
p = mv
Equation for impulse
J = F Δt
Equivalence between momentum and impulse know as the _______ theorm.
impulse-momentum
A bike has a momentum of 25 kg m/s and a velocity of 2.5 m/s, what is the bike's mass?
10 kg
What is motion?
A change in position
What does 'm' stand for, and 'v' in the equation
(p=mv)
m = mass
v = velocity
What does 'F' stand for in the equation, and 't'
F = applied force
t = time
A large impulse gives a ____ large change in momentum
Large
What is the velocity of va 0.5 kg ball that has a momentum of 3 kg m/s?
6 m/s
What is displacement?
Change in positon
Unit for momentum
kg m/s
An impulse can speed up or ____ ____ a moving object
Slow down
Law of conservation of momentum is related to which of Newton's laws?
Newton's third law
A 8kg ball is rolling towards you, if its momentum is 16 kg m/s, how fast is it going?
2 m/s
True or false, displacement can only be positive
False
True or false, momentum is a scalar quantity
False
Ns
If a 6kg bowling ball is rolled down the bowling lane with a velocity of 3.5 m/s what is the momentum of the ball?
21 kg m/s
A 0.14 kg baseball is thrown in a straight line at a velocity of 30 m/s, what is the momentum of the baseball?
4.2 kg m/s
Average speed equation
distance traveled/ time of travel
The total momentum of an isolated system is always ____
conserved
Impulse gives a measure of the _____ in momentum
Change
If an object has a velocity of 8 m/s and a momentum of 40 kg m/s, what is the mass of the object?
5 kg
A 1kg turtle crawls in a straight line at a speed of 0.01 m/s, what is the turtle's momentum?
0.01 kg m/s
Acceleration due to gravity number
9.81 m/s2