GPE = mgh (for objects close to earth where g can be considered to be constant) Where m is the mass, g is the acceleration due to gravity (which the question has told us to assume is 10ms^-2), and h is the height of the object.
Substituting the values in:
GPE = 70*10*10 = 7000J
1 Same fossil in diff area
2 plate techtonics
3 same soil in diff area
4 they all fit like a giant puzzle
There are two every year – in September and March – when the Sun shines directly on the Equator and the length of day and night is nearly equal.
Answer:
The fossil record tells the story of the past and shows the evolution of forms over millions of years
Explanation:
Answer:
When something is heated, its atoms vibrate. If one end of a metal bar is heated, the atoms at that end vibrate more than the atoms at the cold end. The vibration spreads along the bar from atom to atom. ... Metals are good conductors of heat.
Explanation:
