Physics

Question 1

How to do sig digs for Multiplying/dividing vs Adding/subtracting

Answer 1

Multiplying/dividing take least amount of sig digs
Adding/subtracting take lowst amount of decimal places

Question 2

List types of energy

Answer 2

Kinetic
Potential
Electrical
Thermal
Chemical
Mechanical
Solar
Wind
Nuclear
Hydro
Magnetic

Question 3

Scalar vs Vector

Answer 3

Scalar: any quantity with no direction
Vector: any direction with direction, arrow means vector

Question 4

Distance vs Displacement

Answer 4

Distance is how far travelled in total
Displacement is distance between starting and ending

Question 5

What is analyzing motion

Answer 5

Comparing a persons starting vs ending point
Start from a point of reference and then how they got to their end point
Taking 2 points of data and connecting a line between them

Question 6

What is uniform motion

Answer 6

Constant rate of motion in a straight line, no change in speed, inpossible

Question 7

What is velocity

Answer 7

Speed with a direction

Question 8

What is Newtons first law

Answer 8

Object at rest stays at rest unless force is applied
Object at motion stays at motion with the same speed and in the same direction unless acted upon by an unbalanced force

Question 9

Difference between nuclear fission and fusion

Answer 9

Fission is 1 atom splitting
Fusion is 2 atoms combining

Question 10

3 types of systems

Answer 10

Open: matter and energy can be exchanged
Closed: only energy can be exchanged
Isolated: nothing being transferred

Question 11

What is thermodynamics

Answer 11

Energy cannot be created or destroyed
Always go hot to cold