This can be seen as a trick question because heat engines can typically never be 100 percent efficient. This is due to the presence of inefficiencies such as friction and heat loss to the environment. Even the best heat engines can only go up to around 50% efficiency.
Answer:
as fast as he wants, ladybugs are useless
The distance is just the perimeter of the rectangle:
P = 2(411) + 2(475)
P = 822 + 950
P = 1772m
Answer:
1) ELECTRO MAGNET
2) B
3) -AMOUNT OF ELECTRICITY OF THE POWER SOURCE
- AMOUNT OF COIL WRAPPED UP TO THE NAIK
-CONDUCTIVITY OF THE MEDIUM