Apiston cylinder device initially contains saturated liquid water at 175 kpa. water is heated with an electric heater of 8 amperes current for 45 minutes. a paddle wheel stirred the water with a work input of 400 kj. the process took place at constant pressure. the following properties are known: v=0.001057 m2/kg, hj=487.01 kj/kg. volume-=0.005 m2 x20.5, h2=1593.6 kj/kg determine the applied voltage in (volts)

When a 5.0kg cart undergoes a 2.2m/s increase in speed, what is the impulse of the cart

Which statement correctly describes a step-up transformer? a. it increases the amount of electric energy available. b. it increases the voltage of an electric current. c. it changes direct current into alternating current. d. it has more loops of wire in its primary coil.

Choose the most likely outcome of this scenario: jen decided to go bike riding without a helmet. while no one is around during her ride, she is thrown from her bike when her wheel goes into a pothole. she is not injured, but she is terrified to get back on her bike. what happens next? a. her physical health is affected even though she wasn't hurt. b. her mental and emotional health are affected because she is afraid to get back on her bike. c. her social health is affected because she is worried her friends saw the fall. d. her overall health is not affected at all by her fall.