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

Which of the following is not an acid? A. HCI B. H2SO4 C. HNO3 D. NaOH

What are two ways of changing PE?

Technician A says when diagnosing an overheating hydraulic system, be sure that the oil cooler is not plugged and the cooler's fan is working.

Average speed = distance covered divided by travel time do some algebra and multiply both sides of this relation by travel time what does the result say about distance covered

A student presses a book between his hands, as the drawing indicates. The forces that he exerts on the front and back covers of the book are perpendicular to the book and are horizontal. The book weighs 32.9 N.

What is your average speed if you walk 2km in 20 minutes

A skier is traveling down a slope that is inclined 30° above the horizontal. The coefficient of kinetic friction between the skier and the slope is 0.10. Which of the following best describes the acceleration of the skier? A) It is zero.

They are generally thought to be blank naturally occurring emotions that are present from birth

If an aircraft is loaded 90 pounds over maximum certificated gross weight and fuel (gasoline) is drained to bring the aircraft weight within limits, how much fuel should be drained?

3. Shortwave radio is broadcast between 3.50 and 29.7 MHz, To what range of wavelengths does this correspond? Why do you suppose this part of the spectrum is called shortwave radio?