Skip to content

Course home

Fields and their consequences (A-level only)

Fields and their consequences (A-level only)

EasyMediumHard
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182
Question 9

A planet has radius R R\,R and the acceleration due to gravity at its surface is ggg. What is the escape velocity for a probe of mass m m\,m when launched from an altitude equal to the planet's radius R R\,R above its surface?

A

gR2\sqrt{\frac{gR}{2}}2gR​​

B

gR\sqrt{gR}gR​

C

2gR\sqrt{2gR}2gR​

D

2gRm\sqrt{\frac{2gR}{m}}m2gR​​

Markscheme

Fields and their consequences (A-level only) Questions

  1. A Level
  2. /Physics
  3. /Fields and their consequences (A-level only)

Question bank