What is the Hubble telescope classified as a telescope?
What will be an ideal response?
Cassegrain
You might also like to view...
What are Newton's three laws of motion?
What will be an ideal response?
On a hot summer day, you turn the thermostat in your house way down. Assume that your house is well sealed and that no air enters or leaves the house
When the air temperature in your house falls a short while later, what statement is correct regarding the air pressure? A) The air pressure is higher at the lower temperature. B) The air pressure is lower at the lower temperature. C) The air pressure does not change at the lower temperature. D) The air pressure increases at first but then decreases again as the temperature approaches its higher value. E) The air pressure decreases at first but then increases again as the temperature approaches its lower value.
A 6.00-kg block is placed on a 30.0° incline and connected to another block on a 36.87° incline. Although the surfaces are frictionless the blocks do not move. What is the mass in kilograms of the block on the 36.87° incline?
?
?
A. 1.80 B. 3.00 C. 4.00 D. 5.00 E. 6.00
Refraction occurs when light passing from one medium to another
A) changes frequency. B) changes speed. C) loses energy. D) reflects inward.