Register

A machine has an efficiency of 80%. How much work must be done on the machine so to make it do 50,000 J of output work? 12,500 J 40,000 J 62,500 J 90,000 J

A machine has an efficiency of 80%. How much work must be done on the machine so to make it do 50,000 J of output work? 12,500 J 40,000 J 62,500 J 90,000 J
asked 123k views
4 votes
A machine has an efficiency of 80%. How much work must be done on the machine so to make it do 50,000 J of

output work?
12,500 J
40,000 J
62,500 J
90,000 J

asked
User Vkopio
by
7.7k points

1 Answer

5 votes

Answer:

62,500 J

Step-by-step explanation:

50,000/0.8=62,500

answered
User Peuge
by
8.3k points
← Prev Question Next Question →

No related questions found

Ask a Question
Welcome to Qamnty — a place to ask, share, and grow together. Join our community and get real answers from real people.

Categories

Other Questions

Which of the objects is living or nonliving: Bacteria, virus, moss, you, a lemon seed, the air, bread, lettuce and rocks?
Why aren't all minerals gemstones?
Two methods of active transport
Link Copied!