What is the mass of an object moving at 10 m/s with 100 J of energy?
2 kg
100
A dock worker pushes a 40 kg crate up a 4 m long incline that is 1 m high. How much work was done?
392 J
100
Energy due to motion and position are both categorized as kinds of ________ energy.
mechanical
100
If the ____ goes up by 9 then the speed must have went up by 3.
What is KE
100
Energy flow of one joule per second is a ____
What is Watt
200
How much current does an immersion heater draw, if it has a power rating of 1200W and is plugged into a 120 V outlet?
10 A
200
If a hockey player hits a .25 kg puck with a force of 18 N for .3m, how much work was done?
5.4 J
200
_____ is done on an object when a force moves it a distance.
work
200
A compressed spring has ____ equal to the work that the spring can do.
What is PEel
200
_____ is a type of energy that can be replenished as it is used.
What is renewable
300
How much energy is stored in a spring with a k = 100 N/m, that is compressed .5 m?
12.5 J
300
How much power does it take to do 12 J of work in 3 seconds?
4 Watts
300
Water at the top of a dam has ____ as a result of it's height.
potential energy
300
___ is the kind of energy carried by electromagnetic waves
What is radiant
300
The ____ of light is how many watts of power fall across one square meter of area.
What is intensity
400
What is the minimum force to change the energy of a moving car by 1000J in a distance of 25 m?
40 N
400
The more powerful a motor is, the ______ it does work.
faster (quicker)
400
A ____ is an amount of energy that can produce a force of 1 N over 1 m.
Joule
400
The rate at which work is done is___
What is power
400
An indicator of electric potential is _____
What is volt
500
Anthony is standing at the top of a 10 m tall building holding a 1 kg bowling ball, if mildred digs a 3 m deep hole, what is the gravitational potential energy relative to the hole?
127.4 J
500
If you go 3 times as fast, how much greater is your KE, hint use your equation.
9 times, because v is squared
500
The ___ is the quantity that indicates the strength of a spring.