Which of the following best explains what happens when two waves that are transferring energy toward each other finally meet?

When a 5.0kg cart undergoes a 2.2m/s increase in speed, what is the impulse of the cart

Select for each of the following statements whether it is correct or incorrect. (a) in an isothermal expansion of an ideal gas. (b) the temperature remains constant. (b) the pressure remains constant. (c) there is work done by the gas. (d) there is heat added to the gas. (e) the change in internal energy equals zero.

Acar travels 40m in 8 seconds find the car speed