What do we call a spring at it's normal or relaxed length?
Equilibrium position
100
What is the unit of power?
Watt
100
What is the type of energy that increases as you go higher?
potential energy
100
What is Hannah Pazos' favorite word?
Slop
200
What is the product of the force that is parallel to an objects motion and the distance that the object is moved?
Work
200
What is the name of the equation that relates springs to their equilibrium position?
Hooke's Law
200
If 120 Joules of work is done in 10 seconds how much power is needed?
12 watts
200
What is the name of the statement that states the total work done on a system by all the forces is equal to the change in the kinetic energy?
work-energy theorem
200
Which high school teacher is a Baltimore Ravens fan?
Mrs. Johnston
300
A 70 kg student jumps off a 2 m high wall. How much work does the earth do on the student in his descent to the ground?
1373 J
300
What do we call "k" in the spring equation?
The spring constant
300
k = 0.50 N/m is stretched from its equilibrium position of x = 0 m to a position of x = 0.75 m. If it takes .5 seconds how much power is needed?
.07 watts
300
Calculate the kinetic energy in joules if a .005 kg bullet is fired at 900 m/s.
2025 J
300
Where was Mrs. K born?
Dallas
400
A man pushes a lawn mower with a force of 30 N directed 45 ̊ below the horizontal. The lawn mower moves 20 meters. How much work did the man do on the lawn mower?
424 J
400
k = 0.50 N/m is stretched from its equilibrium position of x = 0 m to a position of x = 0.75 m. How much work is done on the spring by the external force?
.14 J
400
A man pushes a lawn mower with a force of 30 N directed 45 ̊ below the horizontal. The lawn mower moves 20 meters. If it took him 30 seconds how much power was needed?
14.1 watts
400
Calculate the work required to move a .5 kg book to the top of a 4 meter object.
19.62 J
400
What is Hannah Joy's favorite T.V. show character?
Elmo
500
A man pushes a lawn mower with a force of 30 N directed at an angle below the horizontal and the lawn mower moves 50 meters meters. If he did 1409.5 J of work on the lawn mower at what angle was he pushing on it?
20 degrees
500
A 2.5 meter spring with a spring constant k = 0.75 N/m is stretched half it's length. How much work is done on the spring by the external force?
.59 Joules
500
A man pushes a lawn mower at a 60 degree angle with 20 Newtons a distance of 10 meters. If it required 5 watts of power how much time did it take?
20 seconds
500
How much work would it take to move a 50 kg rocket from a planet's surface to an infinite distance from the planet? The radius of the planet is 10,000,000 m; the mass of the planet is 50,000,000 kg.
250G Joules
500
When I asked Arianna Budde who her favorite senior was, what was her answer?