On the surface of planet x a body with a mass of 10 kilograms weighs 40 newtons. the magnitude of the acceleration due to gravity on the surface of planet x is

What is the conversion factor between kg/m^3 and g/m^3. express your experimental values for the densities in kg/m^3.

For this car, predict the shape of a graph that shows distance (x) versus time (t). note that time is the independent variable and will be on the bottom axis. need asap

Engineers find a new metal that is stronger than steel but much lighter. this material is also significantly cheaper than what is currently used for most aircraft, available in large quantities, and easy to manufacture. the engineers are excited because this new material will lower the costs of buying and operating airplanes for companies. what is probably the best step for the engineers to make next?