Self Exercise 8.8 Question 1

SMK Seri Aman launched a water rocket on the school field during the opening of the Mathematics and Science Carnival. The rocket was launched vertically upwards from the surface of the school field with a velocity, , given by , after seconds from the surface of the field. The rocket stopped momentarily at time seconds, (a) Find value of

(b) Expressions in terms of displacement, meters, the rocket in seconds

(c) Determine  (i) the maximum height, in meters, reached by the rocket

(ii) the time, in seconds, when the rocket touches the surface of the field