Vocabulary
energy associated to motion
KE
find the KE of a 2kg mass with a velocity of 12 m/s.
KE= 100 J
What is the momentum of a stationary object
momentum equals zero
Joules
What are the units for work and Energy
power and work
directly
Elastic potential energy
energy associated to springs
What is the gravitational potential energy of a 15N weight on top of a 6.0m hill?
90. Joules
What are the two factors that affect momentum?
mass and velocity
Newtons
What are the units of forces
power and time
inversely
power
rate of work
what is the value used for g
9.8m/s2
How fast is a 1.50 kg ball moving if it has a momentum of 4.50 kg.m/s?
v=3.00m/s
units of momentum
What are kg x m/s
kinetic energy and velocity
directly related
mass is to kg as distance is to
meters
What factor affects gravitational energy the most
height
As the mass increases the momentum should
increase
kg X m/s
momentum and velocity
directly
The greater the momentum the ________ the force to stop .
greater
What factor is more valuable in elastic potential energy
distance that spring stretches/ compresses
What is the relationship between mass and velocity
inversely related
what is the symbol for Impulse
J
elastic potential energy and spring constant
directly