Determine the stretch in OA spring required to hold the 21kg - crate in the equilibrium position shown.

What causes the Sun's rays to be direct or indirect?

Why does venus appear so bright to the naked eye?

What is formed when the rock making up a tectonic plate breaks and moves Select one of the options below as your answer: a. a fault b. an open zone c. a subduction zone d. uplifted land

Which of the following is an example of work being done on an object? A-Water in a pot changes into steam. B-A man pushes a couch across the room. C-A prism scatters ultraviolet light into visible light. D-A box rests on the floor.

With which of the following does the growth rate decrease as the population gets bigger?

What kind of motion should you give to a slinky to produce a transverse wave?

what is the work done by a force equivalent to the weight of 100kg that moves an object in 7 minutes?

What does viscosity describe? Question 4 options: A. a fluid's resistance to being heated B. the rate of evaporation of a fluid C. how much energy it takes to warm a fluid D. the density of a fluid E. a fluid's resistance to flowing

What perspective of dream interpretation is being offered? A. Freudian B. activation-synthesis C. Jungian D. motivation Not D

The vapor pressure of diethyl ether (ether) is 463.57 mm Hg at 25°C. How many grams of chlorophyll, C55H72MgN4O5, a nonvolatile, nonelectrolyte (MW = 893.5 g/mol), must be added to 187.4 grams of diethyl ether to reduce the vapor pressure to 457.