DP Physics (last assessment 2024)

Test builder »

Question 18M.2.HL.TZ2.c

Select a Test
Date May 2018 Marks available [Maximum mark: 3] Reference code 18M.2.HL.TZ2.c
Level HL Paper 2 Time zone TZ2
Command term Estimate Question number c Adapted from N/A
c.
[Maximum mark: 3]
18M.2.HL.TZ2.c

The diagram shows the path of an asteroid as it moves past the planet.

                                                                    M18/4/PHYSI/HP2/ENG/TZ2/06.c

When the asteroid was far away from the planet it had negligible speed. Estimate the speed of the asteroid at point P as defined in (b).

[3]

Markscheme

total energy at P = 0 / KE gained = GPE lost

« 1 2 mv2 + mV = 0 ⇒» v =  − 2 V

v = « 2 × 6.0 × 10 7 =» 1.1 × 104 «ms–1»

 

 

Award [3] for a bald correct answer

Ignore negative sign errors in the workings

Allow ECF from 6(b)

[3 marks]

Syllabus sections