Respuesta :
Answer:
D. 50 J
hope it helps you you just need to put the values or substitute the value in me=ke+pe
Answer:
D.[tex]\pmb{ 50~J}[/tex]
Explanation:
As we know that [tex]\sf{M_{E}=K_{E}+P_{E} }[/tex]
where,
- ME=mechanical energy
- KE=kinetic energy
- PE=potential Energy
According to the question
- ME=KE+PE
- ME=40J+10J
- ME=50J