Determine the stiffness of the spring to hold the 85-kg crate in the position shown.

What is the speed of an eagle that travels 200 meters in 4 seconds?

a student performs an experiment with three unknown fluids and obtains the following measurements : fluid A: m = 2060 g, V=2000 ml, Fluid B: m=672 g, V = 850 ml, Fluid C: m=990 g, V=1100 ml.

What would increase the reaction rate?

Oxygen and air are not synonyms. As a matter of fact air contains several gases. The most common gas in air is A) oxygen B) methane C) nitrogen D) carbon dioxide

Technician A says that many bearings also have a thin overlay of babbitt. Technician B says that bearings should have spread and crush to keep them from spinning when the crankshaft rotates. Which technician is correct?

Name two practical applications of nanotechnology

if the distance of separation begin two objects is doubled, is the gravitational force between the objects increased or decreased? by what factor?

A researcher measures the thickness of a layer of benzene (n = 1.50) floating on water by shining monochromatic light onto the film and varying the wavelength of the light.

A rock has a height of 4 cm, a length of 5 cm, and a width of 2 cm. what is the volume of the rock?

The filament of a certain lamp has a resistance that increases linearly with temperature. When a constant voltage is switched on, the initial current decreases until the filament reaches its steady-state temperature.