DP Physics (first assessment 2025)

Question EXE.1A.HL.TZ0.26

Date	Example questions Example questions	Marks available	[Maximum mark: 1]	Reference code	EXE.1A.HL.TZ0.26
Level	HL	Paper	1A	Time zone	TZ0
Command term		Question number	26	Adapted from	N/A

26.

[Maximum mark: 1]

EXE.1A.HL.TZ0.26

What is the escape speed from the surface of a planet of radius $r$ that has an acceleration of gravity $g$ at its surface?

A. $\sqrt{\frac{g}{r}}$

B. $\sqrt{g r}$

C. $\sqrt{\frac{2 g}{r}}$

D. $\sqrt{2 g r}$

[1]

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