Potential Energy
Kinetic Energy
Mechanical Energy
Work
Power
100
Define Potential Energy
Stored Energy
Energy caused by position
Ability to do Work
100
Define Kinetic Energy
Energy of motion
100
Define Mechanical Energy
Total Energy of a System
100
Define Work
Transfer of Energy
100
Define Power
How fast work is done
Work done over time
200
The word "squirrel" means this in Greek.
Options:
"Nut thief" , "mischief maker" , "little fox" , "shadow tail"
"Shadow tail"
200
Equation for KE
KE = (1/2)mv2
200
Equation for ME
ME = PE + KE
200
Write the two equations for Work
W = Fd
W = (1/2)m(vf2-vo2)
200
Equation for Power
P = W/t
300
A ball of mass 10 kg is stuck in a tree branch that is 15 m tall. Find the PE of the ball
1470 J
300
A truck of mass 8,000 kg is driving at a velocity of 36 m/s. Find the KE of the truck
5,184,000 J or 5184 kJ
300
A cart on a roller coaster has a PE of 140 J and a KE of 60 J. Find the carts ME
200 J
300
A 20 N box is pushed a distance of 2 m by a force of 5 N. Find the amount of work done on the bar
10 J
300
In this country 14 squirrels were arrested for spying.
Iran , China , US , South Africa , Brazil
Iran
400
A cat of mass 5 kg is stuck in a tree. The cat's PE is 5243 J. Find the height of the tree
107 m
400
This is the name for a group of Squirrels:
Pack , Mischief , Scurry , Herd
Scurry
400
The name for this type of squirrel house
Dray
400
A boy and his bike have a combined mass of 30 kg and accelerates from rest to 5 m/s. Calculate how much work the boy does
375 J
400
How much time does it take a person to do 80 J of Work if they generate 38.2 W of Power?
2.1 s
500
A ball dropped from a building hits the ground with a velocity of 20 m/s. Find the height the ball was dropped from
20.4 m
500
A squirrel knocks an acorn that was hanging 20 m high off a branch and it falls to the ground. Find the acorn's velocity as it hits the ground
19.8 m/s
500
A capuchin monkey in a tree has a mechanical energy of 2000 J, a mass of 3 kg, and is traveling through the tree at an elevation of 60 m. Find the monkey's velocity
12.5 m/s
500
Grey Squirrels hibernate for this many months in the winter.
None
500
A 2000 kg car accelerates from rest to a velocity of 15 m/s and generates 187.5 kW of power. How long was the car accelerating?
1.2 s