Two identical billiard balls are rolling toward each other at the same speed. what will be true after they collide head–on? they will both stop rolling immediately after the collision. one ball will stop rolling as the other bounces backward at a slower speed. they will both bounce back at a faster speed after the collision. they will both bounce back at the same speed they had before the collision.

The energy released by a chemical reaction can be measured using a calorimeter. when barium hydroxide octahydrate crystals are reacted with dry ammonium chloride inside of a coffee cup calorimeter, the temperature of the 18.00 g of water in the calorimeter decreases from 30.0°c to 8.0°c. the equation for calculating energy absorbed or released by a reaction is: where q is the energy released or absorbed, m is the mass of water in the calorimeter, cp is the specific heat of water, and δt is the observed temperature change. if the specific heat of liquid water is 4.19 j/g·°c, how much energy was absorbed by the reaction?

Which of the following is not am example of a polymer? protein nylon kevlar concreta

What is a good example of instantaneous speed