please solve it I'm going to school fast
Attachments:

Answers
Answered by
3
Answer:
v²-u²=2as
-(20)²=2.a.50
-400= 100a
a=-4
Therefore ,
F= m×a
= 1×4
=4 N....
Hope it helps you....
Similar questions
Computer Science,
8 months ago
English,
8 months ago
Science,
1 year ago
Math,
1 year ago
Psychology,
1 year ago