10. An electric stove has a resistance of 10 ohms. If it is a 220V circuit and the
cost per kilowatt hours is $0.07, what is the cost of using this stove for 2 hours?
(Hint: First find current using Ohm's Law, and then find power.) *
$0.14
$0.22
$0.44
$0.68

Africtionless piston-cylinder contains 50 l of saturated liquid r-134a. the piston has a mass and an area resulting in an applied pressure of 500 kpa on the refrigerant. the refrigerant is now heated until its temperature rises to 70∘c. calculate the work (in kj) done during this process.

Gas cloud 1 is likely to form a star. gas cloud 2 is not. based on this information, match the given conditions with each cloud

Awoman holds a book by placing it between her hands such that she presses at right angles to the front and back covers. the book has a mass of m = 1.8 kg and the coefficient of static friction between her hand and the book is μs = 0.67. no attempt 50% part (a) what is the weight of the book, fgb in newtons?