Complete [Figure 1.1] to indicate whether each of the quantities is a vector or a scalar. [Figure 1.1]
- (a)Complete [Figure 1.1] to indicate whether each of the quantities is a vector or a scalar. [Figure 1.1][2]
- (b)(i)A ball is projected with a horizontal velocity of 1.1 ms⁻¹ from point A at the edge of a table, as shown in [Figure 1.2]. The ball lands on horizontal ground at point B which is a distance of 0.43m from the base of the table. Air resistance is negligible. Calculate the time taken for the ball to fall from A to B.[1]
- (b)(ii)Use your answer in (b)(i) to determine the height of the table.[2]
- (b)(iii)The ball leaves the table at time t = 0. For the motion of the ball between A and B, sketch graphs on [Figure 1.3] to show the variation with time t of 1. the acceleration a of the ball, 2. the vertical component sy of the displacement of the ball from A. Numerical values are not required.[2]
- (c)A ball of greater mass is projected from the table with the same velocity as the ball in (b). Air resistance is still negligible. State and explain the effect, if any, of the increased mass on the time taken for the ball to fall to the ground.[1]
This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.
Mark scheme
Marking points from the official mark scheme (Feb/Mar 2018). The mark or mark type is shown in brackets.
- [2] acceleration: vector
- speed: scalar
- power: scalar
- All three correct scores 2 marks. Only two correct scores 1 mark.
- [A1] time = 0.43/1.1; = 0.39 s
- [C1] s = ut + 1/2at^2
- = 1/2 x 9.81 x 0.39^2
- [A1] = 0.75 m
- [B1] 1 horizontal line at a non-zero value of a.
- [B1] 2 curved line from origin with increasing gradient.
- [A1] acceleration (of free fall) is unchanged / not dependent on mass
- and so no effect (on time taken).
Write your answer and get it marked
On Oracle Prep you can write or photograph your own answer and have it marked by AI against this mark scheme, with feedback on what you missed.
Sign up free →