A100-g aluminum calorimeter contains 500 g of water at a temperature of then a piece of metal, initially at is added to the calorimeter. the metal, water, and calorimeter reach an equilibrium temperature of what is the specific heat capacity of the metal? the specific heat capacity of aluminum is 910 j/kg ∙ k, and of water is

601 j/kg · k

228 j/kg · k

495 j/kg · k

580 j/kg · k

Large electric fields in cell membranes cause ions to move through the cell wall. the field strength in a typical membrane is 1.0 x 10 7 n/c. what is the magnitude of the force on a calcium ion with charge +e? what is its acceleration? is it possible for a particle with the same charge as as calcium to have a different acceleration if placed at this location? what would change the acceleration: mass of the particle? diameter of the particle?

Which type of energy would have nothing to do with ironing clothes? a. heat b. chemical c. electrical d. mechanical

Aforce of 8,480 n is applied to a cart to accelerate it at a rate of 26.5 m/s2. what is the mass of the cart?