The left and right sides of the diagram show a temperature-sensing device at two different temperatures. the device is made of two metal strips labeled a and b, and the device is connected into an electric circuit. which statement explains why the device works? metals a and b have different latent heats. metals a and b have different thermal expansion coefficients. metals a and b have different heat capacities. heat always flows across a temperature gradient.

Why there is no inductive reactance in dc circuits

Aperson walking 1 mile everyday for exercise, leaving her front porch at 9: 00 am and returning to her front porch at 9: 25 am. what is the total displacement of her daily walk? a) 1 mileb) 0c) 25 minutes d) none of the above

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.