TopicFurther Maths
Mechanics & vectors · SS2–SS3
Momentum, projectiles, work & energy
Momentum and impulse, projectiles, and work, energy and power.
- Before this
- Kinematics & dynamics
Learn
- 1Momentum, impulse and collisionsMomentum as mass times velocity, impulse and the change of momentum (including when a body turns back), and conservation of momentum in collisions.Done18 min
- 2ProjectilesA body projected at an angle: split the velocity into horizontal and vertical parts to find the time of flight, greatest height, range and position at any time.Done14 min
Flashcards
8 cards: the rules, facts and methods to know by heart, with the diagrams from the lessons. They come back until you know them.
Practise
Answer momentum, projectiles, work & energy questions one at a time. You'll know straight away whether you're right, with hints and the working step by step.
Your progress is saved on this device as you practise. No account needed.
Past questions (14)
From 2008–2023: 14 WAEC. Theory questions first, then objective, newest first.
Theory (13)
- WAEC 2023 · Paper 2 · Q14A particle is projected at an angle of with a velocity of . Calculate, correct to one decimal place, the: (i) …
- WAEC 2022 · Paper 2 · Q15Two particles, and , of masses and respectively moved in opposite directions. moved with a velocity …
- WAEC 2020 · Paper 2 · Q15A particle starts from rest at a point and accelerates uniformly for 3 minutes until it attains a velocity of . It moves …
- WAEC 2019 · Paper 2 · Q7A ball of mass approaching a tennis player with a velocity of is hit in the opposite direction with a velocity …
- WAEC 2018 · Paper 2 · Q8A body of mass moving with a velocity of collides with another body of mass moving with a …
- WAEC 2018 · Paper 2 · Q14A body is under the action of forces , and which keep …
- WAEC 2016 · Paper 2 · Q7A body of mass moves with a velocity of . It collides with a second body moving in the same direction with a …
- WAEC 2013 · Paper 2 · Q7The initial velocity of a particle of mass is in the direction of the unit vector . The velocity …
- WAEC 2013 · Paper 2 · Q18A bullet of mass is fired horizontally into a stationary block of mass on a smooth horizontal floor. If they …
- WAEC 2012 · Paper 2 · Q18Two bodies in motion reach a point at the same time with velocities of m s and m s and accelerations of m s …
- WAEC 2011 · Paper 2 · Q16An object of mass is suspended by two light inextensible strings and . The strings make angles and …
- WAEC 2009 · Paper 2 · Q18A body of mass 8 kg is placed on a smooth plane inclined at an angle of to the horizontal. Find the magnitude of the force: (i) acting …
- WAEC 2008 · Paper 2 · Q16A body, decelerating at , passes a certain point with velocity . Find: (i) its velocity after 8 seconds; …