What discovery by Galileo supported the heliocentric model? the telescope
sun dials
the phases of Venus
the moon

Astone dropped into a well is heard to strike the water after 8seconds. find the depth of the well if the velocity of sound is 350m/s

Abike rider starts from rest and accelerates 28.0 meters down a slope in 5.00 seconds. what is her acceleration? select one: a. 3.21 m/sec2 b. 1.75 m/sec2 c. 9.80 m/sec2 d. 2.24 m/sec2

If the specific heat of a metal is 0.850 j/g °c, what is its atomic weight?