Use g=9.8g = 9.8g=9.8 m s−2^{-2}−2.
A particle P P\,P is projected with speed U U\,U m s−1^{-1}−1 from a point AAA, which is 20 m above horizontal ground. P P\,P is projected at an angle of 60° 60°\,60° above the horizontal.
The greatest height reached by P P\,P is at the point BBB, which is 16 m above AAA.
Air resistance is modelled as negligible.
Find the value of UUU.
Find the speed of P P\,P when it hits the ground.
163 exam-style questions on WJEC A Level Maths 4.8 Kinematics (A-level only), covering 4.8.1 Kinematics (A-level only), 4.8.2 Kinematics (A-level only), and 4.8.3 Kinematics (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.