Marking criteria for option 1/2/3/4:

Calculating initial velocity:

Appropriate formula.^{(1) }Substitution.^{(2) }

Calculating Δt:

Appropriate formula.^{(3) }Substitution.^{(4) }1,97 s + Δt.^{(5) }Final answer: 2,95 – 2,97 s.^{(6) }

Option 5 marking criteria:

Formula.^{(1) }Substitution: Δy = 1,2.^{(2) }Substitution: 0 + 1⁄2(9,8) Δt^{(3) }^{2}.1,97 s +.^{(4) }2 Δt.^{(5) }Final answer: 2,95 - 2,97 s.^{(6) }

**Part 1**

**Option 2**

^{(1)}

^{(2)}

**Or**

**Option 3**

^{(1)}

^{(2)}

**Or**

**Option 4**

^{(1)}

^{(2)}

**Part 2**

Upwards as positive:

^{(3)}

^{(4)}

^{(5)}

^{(6)}

**Or**

^{(3)}

^{(4)}

^{(5 + 6)}

**Or**

Downwards as positive:

^{(3)}

^{(4)}

^{(5 + 6)}

**Or**

^{(3)}

^{(4)}

^{(5 + 6)}

**Or**

**Option 5**

Downwards as positive:

^{(1)}

^{(2 + 3)}

^{(4 + 5)}

^{(6)}

**Or**

Upwards as positive:

^{(1)}

^{(2 + 3)}

^{(4 + 5)}

^{(6)}