What increases the work output of a machine

A small spaceship with a mass of only 2.6 ✕ 103 kg (including an astronaut) is drifting in outer space with negligible gravitational forces acting on it. If the astronaut turns on a 12 kW laser beam, what speed will the ship attain in 1.

What condition is necessary for the flow of heat? What analogous condition is necessary for the flow of charge?

A car going 30 meters a second undergoes an acceleration of 2 meters a second squared for 4 seconds. What is its final speed? How far did it travel while it was accelerating?

What happens when an interstellar cloud fragment contracts?

Do tectonic plates cover most of earth but not all of it?

Water in central Texas comes from the Edwards Aquifer and tends to be hard. Which of the following would you expect to find in this water? O A. Carbon dioxide O B. Calcium ions O C. Biotic factors O D. Oxygen gas

As you found in Part A, your weight will be greater than normal when the elevator is moving upward with increasing speed.

Which of the following lists contains only examples of renewable sources of energy? A. wind, tidal, geothermal, and hydroelectric B. coal, solar, wind, and biomass C. fossil fuels and nuclear energy D. hydroelectric, petroleum, solar, and wind

How do particles of gases affect one another's motion

explain the sequence of events that happens when this fluid cools down. be sure to focus on what happen to the molecules and to the fluid in general. five event should be included in your answer