Posted by marv on Thursday, March 29, 2012 at 6:07pm.
The height is
h = 20•0.1 = 2 m
The work is W = mgh =350•2 = 700 J
Power = Work/time = 700/10 =70 W
A 40kilowatt electric cable ??$ used to transmit electricity through a resistor of resistance 2ohms at 800 volts, the power loss at energy is? Pls show workings
A 40kilowatt electric cable ??$ used to transmit electricity through a resistor of resistance 2ohms at 800 volts, the power loss at energy is? Pls show workings
A 40kilowatt electric cable ??$ used to transmit electricity through a resistor of resistance 2ohms at 800 volts, the power loss at energy is? Pls show workings
A generator ??$ on daily use in the process 106kw ????? 540w tungsten box are on force the same time interval. Thee energy consumed is
Related Questions
physics - a boy who can generate 500 w runs up a flight of stairs in 5.0 s.how ...
Physics - How much work is done by a boy weighing 450. Newtons while carrying a ...
Physics - A boy whose mass is 40kg runs up a flight of 30 steps each 150mm high ...
Physics - A boy whose mass is 40kg runs up a flight of 30 steps each 150mm high ...
physics - A 680 newton student runs up a flight of stairs 3.5 m high in 11.4 ...
math - a rabbit climb up a flight of 10 stairs and can only hop 1 or 2 steps ...
physics - jeritex mass is 60kg. if he climbs up the flight of stairs 13 meters ...
Physics - How much work is done by a girl weighing 450N while carrying a 2kg ...
physics - a person carries a 58kg package of books up a flight of stairs the ...
Algebra Grade 7 - A cat likes to play on stairs. Starting at the bottom landing...
For Further Reading
