Kinetic Energy
the energy of anything in motion
kinetic energy
the ability to cause change or do work
energy
what is energy measured in?
joules
What is the kinetic energy of a 200 kg object that is moving with a speed of 19 m/s?
36,100 J
what is the formula for calculating kinetic energy?
ke = 1/2mv^2
energy stored due to interactions between objects
potential energy
what is mass measured in?
kilograms
What is the GPE of a 4 kg object that is 300 m above the surface of the Earth? g = 9.8 N/kg
11,760 J
kinetic energy is the opposite of ________________
potential energy
stored energy due to the gravitational forces between objects
gravitational potential energy (GPE)
meters per second, m/s
Determine the kinetic energy of a 1200 kg truck that is moving with a speed of 13 m/s.
101,400 J
the ______________ an object moves, the more kinetic energy it has
faster
stored energy due to chemical bonds
chemical potential energy
what unit is gravity measured in?
newtons per kilogram, N/kg
You throw a baseball with a mass of 2.3 kg. The ball leaves your hand with a speed of 31 m/s. Calculate the kinetic energy of the ball.
1,270.9 J
the ______________ mass an object has, the more kinetic energy it has
more
energy stored by compressing, stretching, or bending an object
elastic potential energy
what is the formula for calculating gravitational potential energy (GPE)?
gpe = m x g x h
A tent is sitting at the top of a hill that is 16 m high. The tent with all the supplies in it weighs about 39 kg. What is its GPE? g = 9.8 m/s
6,115.2 J