Y11 → Y12 Bridge / Paper 3 Data Hunt

Paper 3 Data Hunt

Paper 3 is "easily fraudable" once you spot the pattern: either every value you need is already given, or you're expected to know the missing equation from the formula booklet. For each scenario, sort the cards into the right category.

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Projectile off a Cliff

A ball is kicked horizontally off the top of a $20\ \text{m}$ cliff with a speed of $12\ \text{m s}^{-1}$. Air resistance is negligible and $g=9.81\ \text{m s}^{-2}$. Find how far from the base of the cliff the ball lands.

Tap a card below, then tap the category it belongs to.

Cliff height = 20 m
Horizontal launch speed = 12 m s⁻¹
g = 9.81 m s⁻²
s = ut + ½at² — gives the time of flight from the vertical drop
range = horizontal speed × time of flight
v² = u² + 2as — gives the landing speed, which is not asked for

Photoelectric Effect

Light of wavelength $400\ \text{nm}$ is incident on a metal surface with work function $2.3\ \text{eV}$. Find the maximum kinetic energy of the emitted electrons. ($h=6.63\times10^{-34}\ \text{J s}$, $c=3.00\times10^{8}\ \text{m s}^{-1}$, both given on the data sheet.)

Tap a card below, then tap the category it belongs to.

Wavelength λ = 400 nm
Work function φ = 2.3 eV
Planck constant h = 6.63×10⁻³⁴ J s
Speed of light c = 3.00×10⁸ m s⁻¹
hf = φ + KEmax — photoelectric equation
c = fλ — used to find frequency f from λ

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