An object has a density that is greater than the density of water. how could you make it float? explain by giving a real-life example.

Which units can be used to measure length or distance? check all that apply. gram meter kilometer liter inch

The difference between a red shift and a blue shift has to do with wavelength frequency. t or f

Aspring is used to stop a 50-kg package which is moving down a 20º incline. the spring has a constant k = 30 kn/m and is held by cables so that it is initially compressed 50 mm. knowing that the velocity of the package is 2 m/s when it is 8 m from the spring and neglecting friction, determine the maximum additional deformation of the spring in bringing the package to rest.