Kinetic Energy
What is responsible for turning kinetic energy into thermal energy?
Friction
Which ball has the LEAST potential energy A or B?
A- the ball is on a 3ft tall table.
B- the ball is on the roof of Fox High School
A
What is a type of simple machine we have talked about?
Leaver or Pulley
5.7 or 6
How many sports does Mr. Neibert coach?
2
The Kinetic energy of an object increases as it _____ increases
Speed
A 20kg ceiling light is 4m above the floor. What is its GPE?
800J
What is the mechanical advantage of a movable pulley?
2
A girl and her bike have a mass of 50kg and are traveling at a speed of 4m/s. what is the ke of the girl and her bike?
400j
Is Mr. Neibert having a boy or a girl
Girl
What is one of the two Factors that determine how much kinetic energy an object has?
Mass or Velocity
An apple has a gravitational potential energy of 20J and a mass of 0.5kg. How high is the apple off the ground?
4m
What does Mechanical advantage measure?
the total work done by a machine
what is the power of a microwave if it can perform 8000j of work in 60 seconds?
133.3w
What brand of car does Mr. Neibert drive
Chevy
What are the 4 types of Kinetic Energy?
Mechanical, Electrical, Light and Thermal
What are the 3 types of Potential energy?
Elastic, Gravitational, and Chemical
Where is the fulcrum on a first class lever?
middle
how much work is done using a 40 watt light bulb for 80 seconds?
3,200j
How old is Mr. Neibert
25
What is the Kinetic energy of an object that has a mass of 20kg and a velocity of 10 m/s?
1000J
How do you increase somethings gravitational potential energy?
increasing its height
Where is the LOAD in 3rd class lever
opposite end of the fulcrum
If you have a 100 potential energy at the top of a hill what is the kinetic at the top of the hill?
0
What is Mr. Neiberts favorite food?
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