Vocabulary
The energy of motion
What is Kinetic Energy?
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
What is the energy associated with springs and stretching?
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
What is work/time?
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...
What is meters?
What factor affects gravitational energy the most
height
As the mass increases the momentum should
increase
What are the units of impulse
kg X m/s
momentum and velocity
directly
The greater the momentum the ________ the force to stop .
greater
The potential energy we get from food
What is chemical potential energy?
What is the relationship between mass and velocity in Kinetic Energy
inversely related
what is the symbol for Impulse
delta p
elastic potential energy and spring constant
directly