All systems have what

1. output and feedback,

2. process and function,

3. input and process and output,

4. input and output and sensors

How do you find the centripetal force of an object with a mass of 5 kg and with an acceleration of 2 m/s?

How does the law of conservation of energy apply to the transformation of various forms of energy? Explain with examples.

A bowl of cherries is on the table and you push on it with a force of 35N, it undergoes a frictional force of 8N. What is the acceleration of the 2kg bowl of cherries? Also, what is the normal force?

How lift force works in CER format

What is the wave length of a wave? a the amount of cycles in a given time b the distance between the beginning and end of a cycle? c the amount of time that one full cycle takes d the distance traveled by one full cycle

Which of the following would be a good question that could be scientifically investigated? what is the best advice a parent can give a child what is the most appropriate number of dogs per household do cherry popsicles freeze slower than orange

Formulas (equations) : A = 3x and B = 5x + 1 As x increases, does A or B go up faster? if x=0, then A=? if x=1 then B=?

Sound travels 2146 m through a material in 1.4 seconds. What is the material?

What two pieces of data indicates that uranus resides in the outer layer of the solar system.

What is acceleration? a. change in velocity/change in time b. change in distance/change in time c. change in mass/change in volume d. change in pressure/change in time