good morning please answer my question
Attachments:
Answers
Answered by
0
Answer:400J
Explanation:
s=ut-1/2gt^2
=20*2-1/2*10*4
=40-20
=20
P. E. =mgh
=2*10*20
=400J
Similar questions
Social Sciences,
5 months ago
Accountancy,
5 months ago
English,
5 months ago
Chemistry,
11 months ago
Chemistry,
11 months ago
Math,
1 year ago
English,
1 year ago
Biology,
1 year ago