Answer:
50 J
Step-by-step explanation:
According to energy conservative law energy can not be destroyed. So as the potential energy has been decreased to 50 J, the decreased amount has become kinetic energy.
100 - 50 = 50
Well, 7 times 5 is 35 so if that's the case there's your answer.
Answer:Ara had read 84% of the book or 53/63
Step-by-step explanation: