Ask a New Question
Search
an electrical energy supplied to a toy car was 240 joules.If the car weighing 40N moved through a distance of 5m,calculate the efficiency
1 answer
W = F*d = 40 * 5 = 200 Joules.
Eff. = (200 / 240)*100% = 83.3 %.
Ask a New Question
or
answer this question
.