Kinetic Energy
What is KE?
Energy in motion
What is PE?
Energy of Position or non moving energy
What is power
Amount of work done over a certain amount of time
What is the unit for acceleration
m/s^2
What is the SI unit for time?
second
What is the item that is squared in the KE formula?
speed or velocity
What is g in the PE equation?
gravity
Give a possible equation of power
various answers
What is the unit for speed?
m/s
What type of unit needs both a magnitude and a direction?
vector
If a 10kg object has a speed of 10m/s, what is the KE?
100 J
If an object that is 10kg is 10m high, what is the PE?
981 J
100 J of work is completed in 5s, how much power is used?
20W
What is the unit for Power?
Watt
What is the 5 planet from the sun?
Jupiter
What is the mass of an object that is going 10m/s and has 50 J of KE
1 kg
How large is an object that is 20 km above the earth, if it has a PE of 98,100 J?
.5 kg
How much power is needed to lift an 1800kg elevator 20m in 4 mins?
1472 J
What is the unit for Energy and Work?
J
How many states border AL?
4
If an object has a mass of 8000g, how fast will it be traveling if it has 36J of energy?
3m/s
An Object with 2.5 kJ has a mass of 5 g. How high is the object in km?
51 km
A 20000 N car with constant acceleration starts from rest and reaches 40m/s in 30s. If there is also a 1000N resistance on the car, how much power did the motor exert? Your answer must be in kW.
420 kW
What is a Newton? (what units make up a N)
kg * m/s^2
What is Albert Einstein's famous equation?
E =m (c^2)