Sansak

This page lists questions and answers that were posted by visitors named Sansak.

Questions

The following questions were asked by visitors named Sansak.

Answers

The following answers were posted by visitors named Sansak.

Mass of girl = 35 kg Mass of trolley = 5 kg Total mass, m = (35 + 5) = 40 kg u = 4 m/s v = 0 s = 16 m By equation, v 2 = u 2 + 2as 0 = (4)2 + 2a (16) 32a = –16 a = –0.5 m/s2 Force exerted on trolley, F = ma = 40 × 0.5 = 20 N Work done on trolley W = FS =...