Four stones A, B, C and D are projected horizontally from the top of the same tower
PHYSICS · Multi-part · A Level · Physics · Mechanics and materials · Mechanics and materials
Problem
Four stones A, B, C and D are projected horizontally from the top of the same tower. Their masses and initial horizontal speeds are given in the table below:
Stone Mass (kg) Speed (m/s)
A 0.50 20
B 0.25 35
C 0.80 12
D 0.40 25
Answer the following:
(a) Derive a proportionality expression that can be used to compare the horizontal momenta of the stones without detailed calculation.
(b) Using your expression, rank the stones from highest to lowest horizontal momentum, showing every comparison step clearly.
(c) Sketch a simple bar graph (no scale necessary) to represent the relative magnitudes of horizontal momentum obtained in part (b).