Energy
What is the definition for energy?
The ability to cause change.
Power equals work over time.
No.
2.2 pounds to every 1kg.
what is 250/2.2 = about 114 kg.
Who is the Newton named after?
What is Isaac Newton.
A skateboarder have 1620j of potential energy at the top of a 3 meter halfpipe.
At the bottom of the friction-free pipe, what is their kinetic energy?
What is 1620j of kinetic energy.
what is the unit for power?
what is watts.
What is effeciency?
What is the output work divided by input work.
How many sisters does Mr. Corcoran have?
What is 5.
What is Mr. C's weight on Jupiter in newtons? gravity there is 26g.
114*26 = 2964 newtons.
Is how much energy is created in a 1000w power generator?
What is none.
What is power times time?
What is work.
What are two simple machines found on a bicycle?
What are gears and levers.
What is the law of the conservation of energy?
What is the fact that energy is never created nor destroyed but only transformed from one form to another.
w = M * G
Is a ball falling in mid air have potential energy or kinetic energy? Or both?
What is both.
What is the power of a machine that can exert 3000j over 2 seconds?
What is 1500w.
What is the tension in a rope that you and your buddy each pull in opposite directions with 100N of force?
What is 100N
What is a system?
What is a group of objects effects, and variables, that are related
What is the age of the universe?
What is 14.5 billion years.
What is the definition of one Joule of energy?
What is the energy needed to push with a force of one newton for one meter.
What is the work done by a machine that has a power of 20 watts that it can deliver in 10 seconds?
What is 200 joules.
What is the mechanical advantage of a pulley system with 4 lines in tension on the load.
What is 4:1
What are the five steps of the scientific method? (Or Four)
Observe, Wonder, Hypothesize, Test, Conclude.
What is the energy contained in a 1 gram mass according to e=mc^2?
What is 90,000,000,000 joules.