- Messages
- 66
- Reaction score
- 59
- Points
- 28
F(net)= W = mg= (120 - 80) x 9.81 = 400
Fnet = ma = (120 + 80) x a = 400 a=2
kinematics equation
V^2= u^2 + 2as
v^2 = 0 + 2x2x9
v = 6
Thank u !
Can u help me with q15 of the same paper.http://papers.xtremepapers.com/CIE/...nd AS Level/Physics (9702)/9702_s12_qp_11.pdf
And Q14 ,18 and 21 0f http://papers.xtremepapers.com/CIE/...nd AS Level/Physics (9702)/9702_w12_qp_11.pdf