Theories, Concepts,
and Principles
and Principles
The principle that energy of a system stays constant if the system remains isolated.
What is "Conservation of Energy?"
Mass = 350 kg
Height = 40.0 m
Gravitational Acceleration = 10 m/s2
Ug = ______?
What is 140,000 J?
Mass = 2575 kg
Height = 23.4 m
Gravitational Acceleration = 9.81 m/s2
Ug = ______?
What is 591,000 J ?
A squirrel with mass = 3 kg, runs across the street with a speed of 3 m/s.
Gravitational Acceleration = 10 m/s2
K + Ug = _____ ?
What is 13.5 J?
A roller coaster with a mass of 4,575 kg is at rest atop a hill 85.4 m high.
Gravitational Acceleration = 9.81 m/s2
Ug = ______ ?
What is 3,830,000 J?
Energy stored in the motion of an object.
What is Kinetic Energy?
Mass = 275 kg
Velocity = 18 m/s
K = ______?
What is 44,550 J?
Mass = 67.5 kg
Velocity = 13 m/s
K = ______?
What is 5,700 J ?
A squirrel with mass = 2.5 kg, runs along a tree branch 4.5 m above ground with a speed of 3.5 m/s.
Gravitational Acceleration = 10 m/s2
K + Ug = _____ ?
What is 127.8 J?
At the beginning of a roller coaster ride, a cart with a mass of 1,725.0 kg is climbing up a Chain-Lift Hill that is 85 m tall with a constant velocity of 2.00 m/s. Half way up, its
K = ______ ?
What is 3,450 J?
Energy stored in the vertical position of an object.
What is Gravitational Potential Energy?
Mass = 1468 kg
Height = 27 m
Gravitational Acceleration = 10 m/s2
Velocity = 12 m/s
K + Ug = _________?
What is 502,056 J ?
Mass = 12.6 kg
Height = 20.0 m
Gravitational Acceleration = 9.81 m/s2
Velocity = 12.1 m/s
K + Ug = _________?
What is 3,390 J
A squirrel with mass 3.2 kg, sits at rest on a branch 7.8 m above ground eating an acorn.
Gravitational Acceleration = 10 m/s2
K + Ug = ______ ?
What is 249.6 J?
After a big drop, a roller coaster cart with a mass of 3,150 kg is found moving with a speed of 32.5 m/s on a flat platform 15.8 m above ground.
K + Ug = _______ ?
What is 2,150,000 J?
mgy
What is the formula for Gravitational Potential Energy?
Mass = 1250 kg
Height = 45 m
Gravitational Acceleration = 10 m/s2
Velocity = 25 m/s
TE = _________?
What is 953,125 J ?
Mass = 1250 kg
Height = 45 m
Gravitational Acceleration = 9.81 m/s2
Velocity = 25 m/s
TE = _________?
What is 940,000 J ?
A buff squirrel with mass = 12.5 kg, runs along a tree branch 1.5 m above ground with a speed of 0.5 m/s to scare some kids close by.
Gravitational Acceleration = 10 m/s2
K + Ug = _____ ?
What is 189.1 J?
A roller coaster cart with a mass of 5,200 kg is moving with a speed of 11.5 m/s at the top of a loop-the-loop that has a radius of 10 m.
Gravitational Acceleration = 9.81 m/s2
Death or Survived ?
What is Survived?
1/2mv^2
What is the equation for Kinetic Energy?
K = 4,303,125 J
m = 4250 kg
Velocity = ________ ?
What is 45 m/s ?
K = 44,750 J
m = 42.5 kg
Velocity = ________ ?
What is 45.9 m/s ?
A squirrel with a mass of 3.5 kg runs along a tree branch that's 2.5 m above ground with a speed of 3.5 m/s. It jumps down to a branch underneath, which is 0.9 m above ground. If it lands on the branch successfully and comes to a stop, then
The final Ug = _____ ?
What is 31.5 J?
A roller coaster cart with a mass of 3,600 kg is moving with a speed of 12.8 m/s at the top of a Loop-the-loop with radius 15 m.
Gravitational Acceleration = 9.81 m/s2
Death or Survived ?
What is Survived?
The formula for the minimum velocity required to pass through the top of a loop-the-loop safely.
What is
sqrt(g*r) ?
Loop-the-Loop with a Diameter of 30 meters.
Gravitational Acceleration = 10 m/s2
vmin = ______ ?
What is 12.247 m/s ?
Loop-the-Loop with a Diameter of 38.75 meters.
Gravitational Acceleration = 9.81 m/s2
vmin = ______ ?
What is 13.8 m/s ?
A cute squirrel with a mass of 4.5 kg chases a student down the street to steal their lunch money moving at a velocity of 3.7 m/s.
Gravitational Acceleration = 10 m/s2
K + Ug = _____ ?
What is 30.8 J?
A roller coaster cart with a mass of 4,275 kg is moving with a speed of 14.5 m/s at the top of a Loop-the-loop with radius 25 m.
Death or Survived ?
What is Death?