In the atmosphere, the shortest wavelength electromagnetic waves are called

a. microwaves.
b. infrared waves.
c. ultraviolet waves.
d. X-rays.
e. gamma rays.


e

Physics & Space Science

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How would the atmospheric temperature structure differ from the generic structure if a planet had no greenhouse gases?

What will be an ideal response?

Physics & Space Science

When a sphere falls freely through a homogeneous fluid, it reaches a terminal velocity at which the weight of the sphere is balanced by the buoyant force and the frictional resistance of the fluid. Make a dimensional analysis of this problem and indicate how experimental data for this problem could be correlated. Neglect compressibility effects and the influence of surface roughness.

GIVEN
A sphere falling freely through a homogeneous fluid
Terminal velocity occurs when weight is balanced by buoyant force and friction resistance of the fluid
FIND
Make a dimensional analysis and indicate how data may be correlated
ASSUMPTIONS
Compressibility effects are negligible
Influence of surface roughness is negligible
SKETCH

Physics & Space Science

The numerical value of G, the gravitational constant, was determined

A. from knowledge of Earth's mass. B. from the law of universal gravitation and the value of the acceleration due to gravity. C. from the value of the Moon's acceleration. D. by measuring the force between masses in the laboratory.

Physics & Space Science

The feel of a website is the combination of design aspects.

Answer the following statement true (T) or false (F)

Physics & Space Science