Which of the following scenarios will cause the current to stop flowing within a circuit? A. The switch within the closed circuit is opened.
B. Insulating materials within the circuit are replaced with conducting materials.
C. The circuit is closed.
D. A wire connected to the voltage source runs from the negative to the positive terminal

In which of the following would the particles move most rapidly? a. ice at -20 °c b. water at 20 °c c. steam at 110 °c d. boiling water e. ice at 0 °c

Energy flows from the producer level to the level. is called

It's a snowy day and you're pulling a friend along a level road on a sled. you've both been taking physics, so she asks what you think the coefficient of friction between the sled and the snow is. you've been walking at a steady 1.5m/s, and the rope pulls up on the sled at a 32 ∘ angle. you estimate that the mass of the sled, with your friend on it, is 65 kg and that you're pulling with a force of 80 n .