Question 33 1 pts
In order to pull a boat out of the water, Luther is using a hand-crank wheel and axle. The wheel and
axle system is 73.0% efficient. If it requires 24, 200 J of work to pull the boat out of the water, how
much work will Luther have to do?
a. 31, 700
b. 17, 700
c. 33, 2003
d. 14,900

5 w for 1hr = 5x60x60 joules=300x60=3000x6=18,000j as total energy conversion. efficiency of bulb needed for radiant to thermal within 18000

the five characteristics of adolescence are biological growth and development, and undefined status, increased decision making, increased pressure and the search of self.

float.

archimedes' principle

denser than water sinks in water.

denser than mercury would sink in it