F15–9. the 5-kg block a has an initial speed of 5 m> s as it slides down the smooth ramp, after which it collides with the stationary block b of mass 8 kg. if the two blocks couple together after collision, determine their common velocity immediately after collision.

The sun generates both mechanical and electromagnetic waves. which statement about those wave is true?

Which of the following statements are true for an isothermal process? check all that apply. - during an isothermal process, the work done by the gas equals the heat added to the gas. - during an isothermal process, the internal energy of the system changes. - an isothermal process is carried out at constant temperature. - an isothermal process is carried out at constant pressure. - an isothermal process is carried out at constant volume.

Why does a smaller car get better gas mileage than a bigger one?