5. Kinematics

Question 1

Displacement, velocity, and acceleration are all…

Answer 1

VECTORS

Question 2

What does Mr. Ben use as a system to prevent us from getting lost solving

Answer 2

D. G.U.E.S.S

Question 3

Define D. G. U. E. S. S.

Answer 3

1. Draw
2. Unknown
3. Equation
4. Solve
5. Statement

Question 4

Define all the subscripts used in kinematics.

Answer 4

i = initial
f = final
x or y = direction
t = time (s)
Δx or Δy=displacement (m)
V = velocity (m/s)
a = acceleration (m/s^2)

Question 5

What are the 3 kinematic equations for solving a horizontal types of problems?

Answer 5

1. V_fx= V_ix+ a_xt
2. Δx = V_ixt + ½ a_xt²
3. V_fx² = V_ix² + 2a_xΔx

Question 6

What are the 3 kinematic equations for solving objects moving in a vertical motion types of problems?

Answer 6

1. V_fy= V_iy+ a_yt
2. Δ_y = V_iyt + ½ a_yt²
3. V_fy² = V_iy² + 2a_yΔy

Question 7

What is the gravity on earth?

Answer 7

a_y = -9.81m/s²

Question 8

Do things fall in the same rate?

Answer 8

So on Earth a_y is always the same. That is because on Earth gravity is what pulls you down and it is always the same.

Question 9

What is the formula of acceration?

Answer 9