The potential energy stored in the chemical bonds of a compound.
Chemical energy
100
How much kinetic energy does a 45 kg object moving at 6 m/s have?
810 J
100
Potential energy that depends upon the height of an object
Gravitational potential energy
100
How much work is done when 40N of force is applied to move an object 35 m?
1400 J
100
The amount of weight a horse lifted a distance of 1 foot in 1 minute to achieve a horsepower.
33,000 lbs
200
The energy of moving electric charges
Electrical energy
200
How much potential energy does a 34 kg object have when perched 23 m in the air?
7671.42 J
200
1. The rate at which work is done
2. The rate at which one form of energy is converted into another
Power
200
How much work is required to carry a 5N object 15 m across the room?
0 J
The force and direction of motion are not in the same direction
200
Name the three types of energy associated with a light bulb. (Must have all three)
Input: Electrical
Output: Electromagnetic and Thermal
300
Kinetic or potential energy associated with the position or motion of an object
Mechanical Energy
300
How high must an object be dropped from to reach a speed of 62 m/s?
195.92 m
300
Occurs when a force is used to move an object
Work
300
How much work can a 6hp engine do in 2 minutes?
537,120 J
300
Sketch a pie chart that shows the approximate quantities of potential, kinetic and thermal energy of a ball when it has rolled half way down a hill with friction.
One half should be potential energy
The other half should be divided in some form for kinetic and thermal energy
400
The potential energy stored in the nucleus of an atom
Nuclear energy
400
How fast is an object moving after it falls 52 m?
31.94 m/s
400
State that energy is neither created nor destroyed; it only changes form
Law of Conservation of Energy
400
How fast can a 120 W light bulb convert 2.5 kJ of energy?
20.83 seconds
400
An object with a mass of 43.6 kg started at a height of 200m. How much kinetic and potential energy does it have at a height of 150 m?
(Thermal energy is negligible; need two separate answers)
Potential: 64,157.4 J
Kinetic: 21,385.5 J
500
The energy of light and other forms of radiation
Electromagnetic energy
500
A 25 kg object is dropped from 40 m. How fast is it falling when it is at half of its original height and has 1200 J transferred into thermal energy due to air resistance?
17.22 m/s
500
The energy of stretched or compressed objects
Elastic potential energy
500
How far could a 40 hp engine pull a 40kN truck in 5 minutes?
223.8 m
500
What power engine (rounded to the nearest horsepower) should be used to raise a 4250 kg block 5 meters in 20 seconds?