A particle is projected from the top of a cliff, 20m above the sea level at an angle of 30 degrees above the horizontal at 20m/s. At what vertical speed does it hit the water?
Using SUVAT equations:s = -20mu = 20sin(30) = 10m/sv = ?a = -9.8m/s^2t = ?v^2 = u^2 + 2asv = sqrt(100 + 40x9.8)= 22.2m/s
AR
Answered by Adam R. • Further Mathematics tutor
3111 Views
See similar Further Mathematics A Level tutorsRelated Further Mathematics A Level answers
All answers ▸What does it mean if two matrices are said to be commutative?
It is given that z = 3i(7-i)(i+1). Show that z can be written in the form 24i - k. State the integer k.
(FP1) Given k = q + 3i and z = w^2 - 8w* - 18q^2 i, and if w is purely imaginary, show that there is only one possible non-zero value of z
By using an integrating factor, solve the differential equation dy/dx + 4y/x = 6x^-3 (6 marks)