Snap & Solve (Physics)

Solve

 
Picture of 1M1S10a MURSYIDA ASYIRAH BINTI MUSTAFFA PST - Modul I
Solve
by 1M1S10a MURSYIDA ASYIRAH BINTI MUSTAFFA PST - Modul I - Friday, 13 October 2017, 12:25 AM
 

How can i solve qstion no 4 a)i) ?