If the cost of electricity is 8c per kWh, what does it cost to heat 160 L of water for a bath from 9.5°C (the temperature of the water entering the house) to 70°C? I Hint: 1 L of water has a mass of 1 kg. Hint: 1 kWh-1000 J/s × 3600 s.

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.

In positive numbers less than 1, the zeros between the decimal point and a non-zero number are blank significant

The uniform slender bar rests on a smooth horizon- tal surface when a force f is applied normal to the bar at point a. point a is observed to have an initial acceleration aa of 20 m/s2, and the bar has a corre- sponding angular acceleration of 18 rad /s2. deter- mine the distance b.